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Answer: A. 68/100
Explanation: one standard deviation contains 68 % of data fro the data set.
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Hypothesis Testing 2
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Atlantic International University K12 Student Achievement Article Critique
Assignment #2. Article Critique Assignment. Due by Day 7.
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Atlantic International University K12 Student Achievement Article Critique
Assignment #2. Article Critique Assignment. Due by Day 7.
Here are the instructions posted in the Week 7 forum for the Article Critique Assignment:Assignment 2: Article CritiqueThe practice of quantitative research not only involves statistical calculations and formulas but also involves the understanding of statistical techniques related to real-world applications. You might not become a quantitative researcher nor use statistical methods in your profession but as a consumer, citizen, and scholar-practitioner, it will be important for you to become a critical consumer of research, which will empower you to read, interpret, and evaluate the strength of claims made in scholarly material and daily news.For this Assignment, you will critically evaluate a scholarly article related to repeated measures ANOVA.
To prepare*Review the Article Critique Assignment Guide in the Walden Library, listed in the Week 2 Learning Resources.*Search the Walden Library for a quantitative article that applies repeated measures ANOVA.Write a 2- to 3-page critique of the research you found in the Walden Library that includes responses to the following prompts:
*Why did the authors select repeated measures ANOVA in the research?*Do you think this test was the most appropriate choice? Why or why not?*Did the authors display the results in a figure or table?*Does the results table stand alone? In other words, are you able to interpret the study from it? Why or why not?Please post question on any element or concept regarding Repeated Measures ANOVA in this forum.
Make a two-way table that includes the marginal frequencies, math homework help
1. You randomly survey people in the mall about whether or not they
regularly use text messaging. The results are shown ...
Make a two-way table that includes the marginal frequencies, math homework help
1. You randomly survey people in the mall about whether or not they
regularly use text messaging. The results are shown in the tally sheets
below based on the people’s ages.Link to the tally sheets: http://www.intervisualtechnology.us/data/1/16381/textregular.jpga. Make a two-way table that includes the marginal frequencies.b. Make a two-way table that shows both the joint and marginal relative frequencies. Round to the nearest hundredth, if necessary.c. What is the probability that someone who is between the ages of 20-29 also texts regularly?d. What is the probability that someone who is between the ages of 40-49 also texts regularly?e. Does the data show a relationship between age and texting? Explain.2. The data below represents the number of hits on your web site over 10 months.a. Make a scatter plot of ln y versus x. Use the scatter plot to find the equation for the line of best fit.b. Make a scatter plot of ln y versus ln x. Use the scatter plot to find the equation for the line of best fit.c. Based on your answers in part a and b, would an exponential model or a power model be better to represent this data? Explain.d. Use your answers from parts a and b to find an exponential model and a power model to represent this data by hand.e. Use the regression feature on your calculator to find an exponential model and a power model to represent this data.f. Use your answer from parts c and d to make the best estimate for the number of hits your web site will have in 12 months.
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NIU Determine Probabilities Using the Standard Normal Distribution Discussion
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NIU Determine Probabilities Using the Standard Normal Distribution Discussion
Learning objective: Determine probabilities using the standard normal distribution.Description:The normal distribution describes many common phenomena. Imagine a frequency distribution describing popcorn popping on a stovetop. Some kernels start to pop early, maybe one or two pops per second; after ten or fifteen seconds, the kernels are exploding frenetically. Then gradually the number of kernels popping per second fades away at roughly the same rate at which the popping began.The heights of American men are distributed more or less normally, meaning that they are roughly symmetrical around the mean of 5 feet 10 inches. Each SAT test is specifically designed to produce a normal distribution of scores with a mean 500 and a standard deviation of 100. According to the Wall Street Journal, Americans even tend to park in a normal distribution at shopping malls; most cars park directly opposite the mall entrance—the “peak” of the normal curve—with "tails” of cars going off to the right and left of the entrance.The beauty of the normal distribution—its Michael Jordan power, finesse, and elegance—comes from the fact that we know by definition exactly what proportion of the observations in a normal distribution lie within one standard deviation of the mean (68.2 percent), within two standard deviations of the mean (95.4 percent), within three standard deviations (99.7 percent), and so on. This may sound like trivia. In fact, it is the foundation on which much of statistics is built.For this Discussion:Find a study/article (related to business) in the news that uses the normal distribution to explain a phenomenon. Summarize the study and discuss how the study uses/apply the normal distribution. Makes sure to provide the link to the study/article.
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Most Popular Content
1 page
Hypothesis Testing 2
1. When testing gas pumps in Michigan for accuracy, fuel-quality enforcement specialists tested pumps and found that 1,299 ...
Hypothesis Testing 2
1. When testing gas pumps in Michigan for accuracy, fuel-quality enforcement specialists tested pumps and found that 1,299 of them were not pumping ...
Statistics Question
InstructionsPart 1: Using the Gun Control dataset complete the following tasks:Run a t-test on the variables: OwnGun, Amer ...
Statistics Question
InstructionsPart 1: Using the Gun Control dataset complete the following tasks:Run a t-test on the variables: OwnGun, AmericanOwn.Identify the:null hypothesis.research hypothesis.t-statistic.degrees of freedom.p-value.Summarize your findings.Part 2: Using the Gun Control dataset complete the following tasks:Run an ANOVA on the variables: Religion, AmericanOwn.Identify the:null hypothesis.research hypothesis.F-statistic.degrees of freedom.p-value.Summarize your findings.
Atlantic International University K12 Student Achievement Article Critique
Assignment #2. Article Critique Assignment. Due by Day 7.
Here are the instructions posted in the Week 7 forum for the A ...
Atlantic International University K12 Student Achievement Article Critique
Assignment #2. Article Critique Assignment. Due by Day 7.
Here are the instructions posted in the Week 7 forum for the Article Critique Assignment:Assignment 2: Article CritiqueThe practice of quantitative research not only involves statistical calculations and formulas but also involves the understanding of statistical techniques related to real-world applications. You might not become a quantitative researcher nor use statistical methods in your profession but as a consumer, citizen, and scholar-practitioner, it will be important for you to become a critical consumer of research, which will empower you to read, interpret, and evaluate the strength of claims made in scholarly material and daily news.For this Assignment, you will critically evaluate a scholarly article related to repeated measures ANOVA.
To prepare*Review the Article Critique Assignment Guide in the Walden Library, listed in the Week 2 Learning Resources.*Search the Walden Library for a quantitative article that applies repeated measures ANOVA.Write a 2- to 3-page critique of the research you found in the Walden Library that includes responses to the following prompts:
*Why did the authors select repeated measures ANOVA in the research?*Do you think this test was the most appropriate choice? Why or why not?*Did the authors display the results in a figure or table?*Does the results table stand alone? In other words, are you able to interpret the study from it? Why or why not?Please post question on any element or concept regarding Repeated Measures ANOVA in this forum.
Make a two-way table that includes the marginal frequencies, math homework help
1. You randomly survey people in the mall about whether or not they
regularly use text messaging. The results are shown ...
Make a two-way table that includes the marginal frequencies, math homework help
1. You randomly survey people in the mall about whether or not they
regularly use text messaging. The results are shown in the tally sheets
below based on the people’s ages.Link to the tally sheets: http://www.intervisualtechnology.us/data/1/16381/textregular.jpga. Make a two-way table that includes the marginal frequencies.b. Make a two-way table that shows both the joint and marginal relative frequencies. Round to the nearest hundredth, if necessary.c. What is the probability that someone who is between the ages of 20-29 also texts regularly?d. What is the probability that someone who is between the ages of 40-49 also texts regularly?e. Does the data show a relationship between age and texting? Explain.2. The data below represents the number of hits on your web site over 10 months.a. Make a scatter plot of ln y versus x. Use the scatter plot to find the equation for the line of best fit.b. Make a scatter plot of ln y versus ln x. Use the scatter plot to find the equation for the line of best fit.c. Based on your answers in part a and b, would an exponential model or a power model be better to represent this data? Explain.d. Use your answers from parts a and b to find an exponential model and a power model to represent this data by hand.e. Use the regression feature on your calculator to find an exponential model and a power model to represent this data.f. Use your answer from parts c and d to make the best estimate for the number of hits your web site will have in 12 months.
8 pages
Named Hw2yourname
Hence, the least squares line for the data is, Sweetness Index = 6.25 -0.00231Pectin (ppm). Part B: The value of represent ...
Named Hw2yourname
Hence, the least squares line for the data is, Sweetness Index = 6.25 -0.00231Pectin (ppm). Part B: The value of represents the 0.0023 units decrease ...
NIU Determine Probabilities Using the Standard Normal Distribution Discussion
Learning objective: Determine probabilities using the standard normal distribution.Description:The normal distribution des ...
NIU Determine Probabilities Using the Standard Normal Distribution Discussion
Learning objective: Determine probabilities using the standard normal distribution.Description:The normal distribution describes many common phenomena. Imagine a frequency distribution describing popcorn popping on a stovetop. Some kernels start to pop early, maybe one or two pops per second; after ten or fifteen seconds, the kernels are exploding frenetically. Then gradually the number of kernels popping per second fades away at roughly the same rate at which the popping began.The heights of American men are distributed more or less normally, meaning that they are roughly symmetrical around the mean of 5 feet 10 inches. Each SAT test is specifically designed to produce a normal distribution of scores with a mean 500 and a standard deviation of 100. According to the Wall Street Journal, Americans even tend to park in a normal distribution at shopping malls; most cars park directly opposite the mall entrance—the “peak” of the normal curve—with "tails” of cars going off to the right and left of the entrance.The beauty of the normal distribution—its Michael Jordan power, finesse, and elegance—comes from the fact that we know by definition exactly what proportion of the observations in a normal distribution lie within one standard deviation of the mean (68.2 percent), within two standard deviations of the mean (95.4 percent), within three standard deviations (99.7 percent), and so on. This may sound like trivia. In fact, it is the foundation on which much of statistics is built.For this Discussion:Find a study/article (related to business) in the news that uses the normal distribution to explain a phenomenon. Summarize the study and discuss how the study uses/apply the normal distribution. Makes sure to provide the link to the study/article.
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