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In how many ways can a committee consisting of faculty members and students be formed if there are faculty members and students eligible to serve on the committee?
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Module 22 - Hypothesis Test for a Population Mean Lab (13 of 19 discussion 1) AND Module 23 - Hypothesis Test for a Difference in Two Population Means (5 of 7 discussion 1)
Module 22 - Hypothesis Test for a Population Mean Lab (13 of 19 discussion 1)PromptThe drinks datafile is available in the ...
Module 22 - Hypothesis Test for a Population Mean Lab (13 of 19 discussion 1) AND Module 23 - Hypothesis Test for a Difference in Two Population Means (5 of 7 discussion 1)
Module 22 - Hypothesis Test for a Population Mean Lab (13 of 19 discussion 1)PromptThe drinks datafile is available in the Data section below.Let μ be the mean number of alcoholic beverages that students in the liberal arts college drink in a typical week. State the hypotheses.Here is a histogram of the data. Can we safely use the t-test with this data? Explain.Perform the t-test using StatCrunch. (directions)Copy and paste the information from the StatCrunch output window into your initial post.Based on the P-value, state your conclusions in context. Use a 5% level of significance.NOTE: You do not need to double the P-value for this two-tailed test. StatCrunch calculates the P-value for you.Using the context of this scenario, explain the meaning of each of following items from the StatCrunch output for the hypothesis test.Std. Err (standard error)T-stat (T-score)P-valueModule 23 - Hypothesis Test for a Difference in Two Population Means (5 of 7 discussion 1)PromptState the null and alternative hypotheses. Include a clear description of the populations and the variable.Explain why we can safely use the two-sample T-test in this case.Use StatCrunch to carry out the test. (directions)Copy and paste the content of in the StatCrunch output window (text and the table) in your initial post. State a conclusion in the context of this problem.
Logic and Bayes’s Theorem, optimal hiring strategy, portfolio management, statistics homework help
Answer question 3-5 in the pdf, book is attached, chapter 1-3Logic and Bayes’s Theorem, optimal hiring strategy, portfol ...
Logic and Bayes’s Theorem, optimal hiring strategy, portfolio management, statistics homework help
Answer question 3-5 in the pdf, book is attached, chapter 1-3Logic and Bayes’s Theorem, optimal hiring strategy, portfolio management205 points total, i would expect 185/205 cheersHere’s a style guide for all of the written work in this class. In figuring out how to write up answers to homework (and quiz, and midterm, and final) problems, pretend the grader is sitting there with you and you’re having a brief discussion with her/him on each question — that is, write down in a few sentences what you would say to someone to support your position. It’s never enough in this class to just say “yes” or “10.3,” even if the right answer is “yes” or “10.3”; you need to say “yes (or 10.3), because ... .” The right answer with no reasoning to support it, or the wrong reasoning, will get about half credit in this course, as will the wrong answer arrived at with a good effort. Leaving a problem or a part of a problem blank will get no credit.
Frequency distribution with a first class (in thousands) of 100-399
Newspaper Circulation, use the data given in Table 12.1 on pages 736 and 737 to construct a frequency distribution with a ...
Frequency distribution with a first class (in thousands) of 100-399
Newspaper Circulation, use the data given in Table 12.1 on pages 736 and 737 to construct a frequency distribution with a first class (in thousands) of 100–399. Newspaper Circulation (thousands) Wall Street Journal 2379 New York Times 1865 USA Today 1674 Los Angeles Times 654 San Jose Mercury News 584 New York Daily News 516 New York Post 501 Washington Post 475 Chicago Sun-Times 471 Denver Post 417 Chicago Tribune 415 Dallas Morning News 409 Newsday 378 Houston Chronicle 360 Orange County Register 356 Newark Star-Ledger 341 Tampa Bay Times 340 Cleveland Plain Dealer 312 Philadelphia Inquirer 307 Minneapolis Star Tribune 301 Arizona Republic 294 Honolulu Star-Advertiser 268 Las Vegas Review-Journal 252 San Diego Union-Tribune 251 Boston Globe 246 Atlanta Journal- Constitution 231 Seattle Times 230 Oregonian 229 San Francisco Chronicle 219 Detroit Free Press 210 St. Paul Pioneer Press 208 Pittsburgh Tribune-Review 202 Sacramento Bee 201 Milwaukee Journal Sentinel 198 Tampa Tribune 191 Kansas City Star 189 Fort Worth Star-Telegram 189 Pittsburgh Post-Gazette 180 Baltimore Sun 177 St. Louis Post-Dispatch 167 South Florida Sun Sentinel 164 Orlando Sentinel 161 Arkansas Democrat- Gazette 158 Investor’s Business Daily 157 Indianapolis Star 157 Miami Herald 147 Buffalo News 145 San Antonio Express-News 139 Charlotte Observer 138 Press-Enterprise 138 Circulation (thousands) Number of Newspapers 138–362 37 363–587 9 588–812 1 813–1037 0 1038–1262 0 1263–1487 0 1488–1712 1 1713–1937 1 1938–2162 0 2163–2387 1 50
Chamberlain Chapter 8 Week 6 Confidence Intervals in Clinical Studies Discussion
Required ResourcesRead/review the following resources for this activity:Textbook: Chapter 8LessonMinimum of 1 scholarly so ...
Chamberlain Chapter 8 Week 6 Confidence Intervals in Clinical Studies Discussion
Required ResourcesRead/review the following resources for this activity:Textbook: Chapter 8LessonMinimum of 1 scholarly sourceIn your reference for this assignment, be sure to include both your text/class materials AND your outside reading(s).Confidence IntervalsIn everyday terms, a confidence interval is the range of values around a sample statistic (such as mean or proportion) within which clinicians can expect to get the same results if they repeat the study protocol or intervention, including measuring the same outcomes the same ways. As you ask yourself, "Will I get the same results if I use this research?", you must address the precision of study findings, which is determined by the Confidence Interval. If the CI around the sample statistic is narrow, you can be confident you will get close to the same results if you implement the same research in your practice.Consider the following example. Suppose that you did a systematic review of studies on the effect of tai chi exercise on sleep quality, and you found that tai chi affected sleep quality in older people. If, according to your study, you found the lower boundary of the CI to be .49, the study statistic to be 0.87, and the upper boundary to be 1.25, this would mean that each end limit is 0.38 from the sample statistic, which is a relatively narrow CI.(UB + LB)/2 = Statistic [(1.25 + .49)/2 = .87]Keep in mind that a mean difference of 0 indicates there is no difference; this CI does not contain 0. Therefore, the sample statistic is statistically significant and unlikely to occur by chance.Because this was a systematic review, and tai chi exercise has been established from the studies you assessed as helping people sleep, based on the sample statistics and the CI, clinicians could now use your study and confidently include tai chi exercises among possible recommendations for patients who have difficulty sleeping.Now you can apply your knowledge of CIs to create your own studies and make wise decisions about whether to base your patient care on a particular research finding.Initial Post InstructionsThinking of the many variables tracked by hospitals and doctors' offices, confidence intervals could be created for population parameters (such as means or proportions) that were calculated from many of them. Choose a topic of study that is tracked (or that you would like to see tracked) from your place of work. Discuss the variable and parameter (mean or proportion) you chose, and explain why you would use these to create an interval that captures the true value of the parameter of patients with 95% confidence.Consider the following:How would changing the confidence interval to 90% or 99% affect the study? Which of these values (90%, 95%, or 99%) would best suit the confidence level according to the type of study chosen? How might the study findings be presented to those in charge in an attempt to affect change at the workplace?
pre algebra part James Madison
Question 1 (5 points) Determine whether the relationship between the two quantities is proportional. Explain.Question 1 op ...
pre algebra part James Madison
Question 1 (5 points) Determine whether the relationship between the two quantities is proportional. Explain.Question 1 options:No, because the graph of the line connecting the ordered pairs passes through the origin.No, because the graph of the line connecting the ordered pairs does not pass through the origin.Yes, because the graph of the line connecting the ordered pairs passes through the origin.Yes, because the graph of the line connecting the ordered pairs does not pass through the origin.Question 2 (5 points) How far is it from A to C?Question 2 options:17 yards96 yards80 yards100 yardsQuestion 3 (5 points) Josiah traveled 79.5 miles on 3 gallons of gasoline. At this rate, how many gallons of gasoline would he need to travel 265 miles? Question 3 options:11 gallons10 gallons14 gallons26.5 gallonsQuestion 4 (5 points) Complete each conversion. Round to the nearest hundredth if necessary.74 lb = ____ kg Question 4 options:73.55 kg33.6 kg74.45 kg163 kgQuestion 5 (5 points) Maria rode her bicycle 5 miles in hour. What is her average speed in miles per hour?Question 5 options: mile per hour4 miles per hour7 miles per hour6 miles per hourQuestion 6 (5 points) In an illustration of a ladybug, the length of the ladybug is 5.6 centimeters. The actual length of the ladybug is 0.7 centimeter. What is the scale of the drawing?Question 6 options:1 cm = 1.25 cm1 cm = 0.125 m1 cm = 0.125 cm1 cm = 12.5 cmQuestion 7 (5 points) At the same time the Eiffel Tower, height 984 feet, casts a 246-foot shadow, a man casts a 1.5-foot shadow. How tall is the man?Question 7 options:4 feet6 feetQuestion 8 (5 points) A man that is 6 feet tall is standing so that the tip of his shadow is 20 feet from a light pole. His shadow is 8 feet long. What is the height of the pole?Question 8 options:24 feet48 feet15 feet14 feetQuestion 9 (5 points) The following table shows the relationship between the time taken to perform the jumps by Maria. Determine whether the number of jumps is proportional to the number of seconds. If the relationship is proportional, identify the constant of proportionality. Time (seconds)4560105141174Jumps completed by Maria1520354758Question 9 options:not proportional; 3proportional; 3not proportional; proportional; Question 10 (5 points) Solve each proportion. = Question 10 options:12141610Question 11 (5 points) The two figures are similar. Write a proportion to find the missing measure. Then find the value of x.Question 11 options:; 75; ; ; 73Question 12 (5 points) Express each ratio as a unit rate. Round to the nearest tenth, if necessary.2 notebooks for $0.60 Question 12 options:$1.20 per notebook$0.30 per notebook$3.33 per notebook$0.60 per notebookQuestion 13 (5 points) One grocery store sells 8 pounds of bananas for $3.12. Another grocery store sells 9 pounds of bananas for $3.06. Based on these rates, which statement is true?Question 13 options:The rate for the first store is $0.05/pound less than the second store.The rate for the first store is $0.03/pound more than the second store.The rate for the first store is $0.05/pound more than the second store.The rate is the same for both stores.Question 14 (5 points) Express each ratio as a fraction in simplest form.7 quarts to 45 pintsQuestion 14 options:Question 15 (5 points) Bill bought 4 pens for $12. Which of the following equations shows the relationship between the cost of pens, c, and the number of pens, x, bought? What will the cost of 20 pens be? Question 15 options:c = 3x, $12x = 3c, $60c = 3x, $60x = 3c, $12Question 16 (5 points) Toski is building a room that is 18 feet long and 14 feet wide. Construct a scale drawing of the shed. Use a scale of inch = 2 feet.Question 16 options:Question 17 (5 points) Complete the conversion. Round to the nearest tenth if necessary.1779 miles per hour __ miles per minute Question 17 options:148.324.729.759.3Question 18 (5 points) Simplify .Question 18 options:312Question 19 (5 points) A tree that is 40 feet tall casts a 30-foot shadow. At the same time, another tree casts a 20-foot shadow. How tall is the second tree?Question 19 options: feet feet feet feetQuestion 20 (5 points) Express each ratio as a fraction in simplest form.45 laptops out of 109 computersQuestion 20 options:
Submit Quiz0 of 20 questions saved
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Module 22 - Hypothesis Test for a Population Mean Lab (13 of 19 discussion 1) AND Module 23 - Hypothesis Test for a Difference in Two Population Means (5 of 7 discussion 1)
Module 22 - Hypothesis Test for a Population Mean Lab (13 of 19 discussion 1)PromptThe drinks datafile is available in the ...
Module 22 - Hypothesis Test for a Population Mean Lab (13 of 19 discussion 1) AND Module 23 - Hypothesis Test for a Difference in Two Population Means (5 of 7 discussion 1)
Module 22 - Hypothesis Test for a Population Mean Lab (13 of 19 discussion 1)PromptThe drinks datafile is available in the Data section below.Let μ be the mean number of alcoholic beverages that students in the liberal arts college drink in a typical week. State the hypotheses.Here is a histogram of the data. Can we safely use the t-test with this data? Explain.Perform the t-test using StatCrunch. (directions)Copy and paste the information from the StatCrunch output window into your initial post.Based on the P-value, state your conclusions in context. Use a 5% level of significance.NOTE: You do not need to double the P-value for this two-tailed test. StatCrunch calculates the P-value for you.Using the context of this scenario, explain the meaning of each of following items from the StatCrunch output for the hypothesis test.Std. Err (standard error)T-stat (T-score)P-valueModule 23 - Hypothesis Test for a Difference in Two Population Means (5 of 7 discussion 1)PromptState the null and alternative hypotheses. Include a clear description of the populations and the variable.Explain why we can safely use the two-sample T-test in this case.Use StatCrunch to carry out the test. (directions)Copy and paste the content of in the StatCrunch output window (text and the table) in your initial post. State a conclusion in the context of this problem.
Logic and Bayes’s Theorem, optimal hiring strategy, portfolio management, statistics homework help
Answer question 3-5 in the pdf, book is attached, chapter 1-3Logic and Bayes’s Theorem, optimal hiring strategy, portfol ...
Logic and Bayes’s Theorem, optimal hiring strategy, portfolio management, statistics homework help
Answer question 3-5 in the pdf, book is attached, chapter 1-3Logic and Bayes’s Theorem, optimal hiring strategy, portfolio management205 points total, i would expect 185/205 cheersHere’s a style guide for all of the written work in this class. In figuring out how to write up answers to homework (and quiz, and midterm, and final) problems, pretend the grader is sitting there with you and you’re having a brief discussion with her/him on each question — that is, write down in a few sentences what you would say to someone to support your position. It’s never enough in this class to just say “yes” or “10.3,” even if the right answer is “yes” or “10.3”; you need to say “yes (or 10.3), because ... .” The right answer with no reasoning to support it, or the wrong reasoning, will get about half credit in this course, as will the wrong answer arrived at with a good effort. Leaving a problem or a part of a problem blank will get no credit.
Frequency distribution with a first class (in thousands) of 100-399
Newspaper Circulation, use the data given in Table 12.1 on pages 736 and 737 to construct a frequency distribution with a ...
Frequency distribution with a first class (in thousands) of 100-399
Newspaper Circulation, use the data given in Table 12.1 on pages 736 and 737 to construct a frequency distribution with a first class (in thousands) of 100–399. Newspaper Circulation (thousands) Wall Street Journal 2379 New York Times 1865 USA Today 1674 Los Angeles Times 654 San Jose Mercury News 584 New York Daily News 516 New York Post 501 Washington Post 475 Chicago Sun-Times 471 Denver Post 417 Chicago Tribune 415 Dallas Morning News 409 Newsday 378 Houston Chronicle 360 Orange County Register 356 Newark Star-Ledger 341 Tampa Bay Times 340 Cleveland Plain Dealer 312 Philadelphia Inquirer 307 Minneapolis Star Tribune 301 Arizona Republic 294 Honolulu Star-Advertiser 268 Las Vegas Review-Journal 252 San Diego Union-Tribune 251 Boston Globe 246 Atlanta Journal- Constitution 231 Seattle Times 230 Oregonian 229 San Francisco Chronicle 219 Detroit Free Press 210 St. Paul Pioneer Press 208 Pittsburgh Tribune-Review 202 Sacramento Bee 201 Milwaukee Journal Sentinel 198 Tampa Tribune 191 Kansas City Star 189 Fort Worth Star-Telegram 189 Pittsburgh Post-Gazette 180 Baltimore Sun 177 St. Louis Post-Dispatch 167 South Florida Sun Sentinel 164 Orlando Sentinel 161 Arkansas Democrat- Gazette 158 Investor’s Business Daily 157 Indianapolis Star 157 Miami Herald 147 Buffalo News 145 San Antonio Express-News 139 Charlotte Observer 138 Press-Enterprise 138 Circulation (thousands) Number of Newspapers 138–362 37 363–587 9 588–812 1 813–1037 0 1038–1262 0 1263–1487 0 1488–1712 1 1713–1937 1 1938–2162 0 2163–2387 1 50
Chamberlain Chapter 8 Week 6 Confidence Intervals in Clinical Studies Discussion
Required ResourcesRead/review the following resources for this activity:Textbook: Chapter 8LessonMinimum of 1 scholarly so ...
Chamberlain Chapter 8 Week 6 Confidence Intervals in Clinical Studies Discussion
Required ResourcesRead/review the following resources for this activity:Textbook: Chapter 8LessonMinimum of 1 scholarly sourceIn your reference for this assignment, be sure to include both your text/class materials AND your outside reading(s).Confidence IntervalsIn everyday terms, a confidence interval is the range of values around a sample statistic (such as mean or proportion) within which clinicians can expect to get the same results if they repeat the study protocol or intervention, including measuring the same outcomes the same ways. As you ask yourself, "Will I get the same results if I use this research?", you must address the precision of study findings, which is determined by the Confidence Interval. If the CI around the sample statistic is narrow, you can be confident you will get close to the same results if you implement the same research in your practice.Consider the following example. Suppose that you did a systematic review of studies on the effect of tai chi exercise on sleep quality, and you found that tai chi affected sleep quality in older people. If, according to your study, you found the lower boundary of the CI to be .49, the study statistic to be 0.87, and the upper boundary to be 1.25, this would mean that each end limit is 0.38 from the sample statistic, which is a relatively narrow CI.(UB + LB)/2 = Statistic [(1.25 + .49)/2 = .87]Keep in mind that a mean difference of 0 indicates there is no difference; this CI does not contain 0. Therefore, the sample statistic is statistically significant and unlikely to occur by chance.Because this was a systematic review, and tai chi exercise has been established from the studies you assessed as helping people sleep, based on the sample statistics and the CI, clinicians could now use your study and confidently include tai chi exercises among possible recommendations for patients who have difficulty sleeping.Now you can apply your knowledge of CIs to create your own studies and make wise decisions about whether to base your patient care on a particular research finding.Initial Post InstructionsThinking of the many variables tracked by hospitals and doctors' offices, confidence intervals could be created for population parameters (such as means or proportions) that were calculated from many of them. Choose a topic of study that is tracked (or that you would like to see tracked) from your place of work. Discuss the variable and parameter (mean or proportion) you chose, and explain why you would use these to create an interval that captures the true value of the parameter of patients with 95% confidence.Consider the following:How would changing the confidence interval to 90% or 99% affect the study? Which of these values (90%, 95%, or 99%) would best suit the confidence level according to the type of study chosen? How might the study findings be presented to those in charge in an attempt to affect change at the workplace?
pre algebra part James Madison
Question 1 (5 points) Determine whether the relationship between the two quantities is proportional. Explain.Question 1 op ...
pre algebra part James Madison
Question 1 (5 points) Determine whether the relationship between the two quantities is proportional. Explain.Question 1 options:No, because the graph of the line connecting the ordered pairs passes through the origin.No, because the graph of the line connecting the ordered pairs does not pass through the origin.Yes, because the graph of the line connecting the ordered pairs passes through the origin.Yes, because the graph of the line connecting the ordered pairs does not pass through the origin.Question 2 (5 points) How far is it from A to C?Question 2 options:17 yards96 yards80 yards100 yardsQuestion 3 (5 points) Josiah traveled 79.5 miles on 3 gallons of gasoline. At this rate, how many gallons of gasoline would he need to travel 265 miles? Question 3 options:11 gallons10 gallons14 gallons26.5 gallonsQuestion 4 (5 points) Complete each conversion. Round to the nearest hundredth if necessary.74 lb = ____ kg Question 4 options:73.55 kg33.6 kg74.45 kg163 kgQuestion 5 (5 points) Maria rode her bicycle 5 miles in hour. What is her average speed in miles per hour?Question 5 options: mile per hour4 miles per hour7 miles per hour6 miles per hourQuestion 6 (5 points) In an illustration of a ladybug, the length of the ladybug is 5.6 centimeters. The actual length of the ladybug is 0.7 centimeter. What is the scale of the drawing?Question 6 options:1 cm = 1.25 cm1 cm = 0.125 m1 cm = 0.125 cm1 cm = 12.5 cmQuestion 7 (5 points) At the same time the Eiffel Tower, height 984 feet, casts a 246-foot shadow, a man casts a 1.5-foot shadow. How tall is the man?Question 7 options:4 feet6 feetQuestion 8 (5 points) A man that is 6 feet tall is standing so that the tip of his shadow is 20 feet from a light pole. His shadow is 8 feet long. What is the height of the pole?Question 8 options:24 feet48 feet15 feet14 feetQuestion 9 (5 points) The following table shows the relationship between the time taken to perform the jumps by Maria. Determine whether the number of jumps is proportional to the number of seconds. If the relationship is proportional, identify the constant of proportionality. Time (seconds)4560105141174Jumps completed by Maria1520354758Question 9 options:not proportional; 3proportional; 3not proportional; proportional; Question 10 (5 points) Solve each proportion. = Question 10 options:12141610Question 11 (5 points) The two figures are similar. Write a proportion to find the missing measure. Then find the value of x.Question 11 options:; 75; ; ; 73Question 12 (5 points) Express each ratio as a unit rate. Round to the nearest tenth, if necessary.2 notebooks for $0.60 Question 12 options:$1.20 per notebook$0.30 per notebook$3.33 per notebook$0.60 per notebookQuestion 13 (5 points) One grocery store sells 8 pounds of bananas for $3.12. Another grocery store sells 9 pounds of bananas for $3.06. Based on these rates, which statement is true?Question 13 options:The rate for the first store is $0.05/pound less than the second store.The rate for the first store is $0.03/pound more than the second store.The rate for the first store is $0.05/pound more than the second store.The rate is the same for both stores.Question 14 (5 points) Express each ratio as a fraction in simplest form.7 quarts to 45 pintsQuestion 14 options:Question 15 (5 points) Bill bought 4 pens for $12. Which of the following equations shows the relationship between the cost of pens, c, and the number of pens, x, bought? What will the cost of 20 pens be? Question 15 options:c = 3x, $12x = 3c, $60c = 3x, $60x = 3c, $12Question 16 (5 points) Toski is building a room that is 18 feet long and 14 feet wide. Construct a scale drawing of the shed. Use a scale of inch = 2 feet.Question 16 options:Question 17 (5 points) Complete the conversion. Round to the nearest tenth if necessary.1779 miles per hour __ miles per minute Question 17 options:148.324.729.759.3Question 18 (5 points) Simplify .Question 18 options:312Question 19 (5 points) A tree that is 40 feet tall casts a 30-foot shadow. At the same time, another tree casts a 20-foot shadow. How tall is the second tree?Question 19 options: feet feet feet feetQuestion 20 (5 points) Express each ratio as a fraction in simplest form.45 laptops out of 109 computersQuestion 20 options:
Submit Quiz0 of 20 questions saved
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