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MHS NOAA Data Set and Maximum Temperature Variable DX32 Analysis Paper
Use the NOAA data set provided, to examine the variable DX32. DX32 represents the number of days in that month whose maxim ...
MHS NOAA Data Set and Maximum Temperature Variable DX32 Analysis Paper
Use the NOAA data set provided, to examine the variable DX32. DX32 represents the number of days in that month whose maximum temperature was less than 32 degrees F. The mean of DX32 during this time period was 3.6.
Using Excel, StatCrunch, etc., draw a histogram for DX32. Does this variable have an approximately normal (i.e. bell-shaped) distribution? A normal distribution should have most of its values clustered close to its mean. What kind of distribution does DX32 have?
Take a random sample of size 30 and calculate the mean of your sample. Did you get a number close to the real mean of 3.6? Although few individual data values are close to 3.6, why could you expect that your sample mean could be? Be sure to include the mean that you calculated for your random sample.
Imagine that you repeated this 99 more times so that you now have 100 different sample means. (You don’t have to do this … just imagine it!). If you plotted the 100 sample means on a histogram, do you think that this histogram will be approximately normal (bell-shaped)? How can you justify your answer?
Harvard University Introduction to Mathematical Cryptography Problems
Need for the solutions. Please have a good work. Kindly see the attachment and follow the instructions. Thank you. I can ...
Harvard University Introduction to Mathematical Cryptography Problems
Need for the solutions. Please have a good work. Kindly see the attachment and follow the instructions. Thank you. I can extend the assignment for 15 hours if needed.
Module 4 homework
Problem Set 4.41. Suppose that for a normal random variable X, we have a mean of µ=10 and a standard deviation of σ=3. a ...
Module 4 homework
Problem Set 4.41. Suppose that for a normal random variable X, we have a mean of µ=10 and a standard deviation of σ=3. a) What is the probability that X will be less than 13?- Click here to enter answer - b) What is the probability that X will be less than 8?- Click here to enter answer - c) What is the probability that X will be greater than 12?- Click here to enter answer - d) What is the probability that X will be greater than 6?- Click here to enter answer -e) What is the probability that X will be between than 3 and 17?- Click here to enter answer - f) What is the probability that X will be between than 8 and 14?- Click here to enter answer - 2. A farmer harvests several heads of iceberg lettuce. The weight of the heads of lettuce are normally distributed with a mean weight of 2.2 pounds and a standard deviation of .55 pounds. If you choose a head of lettuce at random, what is the probability that the head you chose will weigh:a) Less than 2 pounds?- Click here to enter answer - b) Greater than 2.5 pounds?- Click here to enter answer - c) Between 1.8 pounds and 2.7 pounds?- Click here to enter answer - 3. Suppose that the scores of a history test are normally distributed with a mean of 565 and a standard deviation of 113.a) What percentage of the scores are less than 450?- Click here to enter answer - b) What percentage of the scores are greater than 500?- Click here to enter answer - c) What percentage of the scores are between 550 and 600?- Click here to enter answer - d) Suppose you pick an individual history test at random, what is the probability that the score on the test is between 575 and 625?- Click here to enter answer - 4. The time that people stand in the waiting line at a particular fast food restaurant is normally distributed with a mean time of 130 seconds and a standard deviation of 25 seconds. If you go to that fast food restaurant, what is the probability that you will stand in the waiting line for:a) More than 150 seconds?- Click here to enter answer - b) Less than 120 seconds?- Click here to enter answer - c) Between 110 seconds and 150 seconds?- Click here to enter answer - . A convenience store sells between five and twelve boxes of sugar each week. The probabilities are given as follows:Find the number of boxes of sugar that the convenience store should expect to sell per week. Also, find the variance and standard deviation of this data.- Click here to enter answer - 2. A barber expects to get between zero and six customers per hour in his barber shop. The probability of these is given as follows:Find the number of expected customers that the barber will get per hour. Also, find the variance and standard deviation of this data.- Click here to enter answer - 3. A company makes bulbs for Christmas trees. Unfortunately, the boxes that contain the bulbs have been mishandled and many of the boxes contain one or more broken bulbs. The number of broken bulbs per box, along with the related probabilities are given as:Find the expected number of broken bulbs per box.- Click here to enter answer - Problem Set 4.21 . A basketball player makes foul shots 75 % of the time. If she takes 9 shots, what is the probability that she will make exactly 7 shots.- Click here to enter answer - 2. A baseball player has a batting average of .211 (in other words, he gets a hit 21.1 % of the time that he goes up to bat). If he goes up to bat 13 times, what is the probability that he will get exactly 4 hits?- Click here to enter answer - 3. A large shipment of light bulbs has just arrived at a store. It has been revealed that 17 % of the light bulbs are defective (the other light bulbs are good). Suppose that you choose 6 light bulbs at random. What is the probability that 2 or less of the bulbs are defective.- Click here to enter answer - 4. Your factory has seven safety systems. During an emergency, the probability of any one of the safety systems failing is .06. The factory will be in danger if more than four safety systems fail. What is the probability of your factory being in danger during an emergency?- Click here to enter answer - Problem Set 4.3(Remember: You may find the standard normal table by clicking Help Files on the upper right of this page)1. - Click here to enter answer - 2. - Click here to enter answer -3. - Click here to enter answer -4. - Click here to enter answer -5. - Click here to enter answer -6. - Click here to enter answer -7. - Click here to enter answer -8. - Click here to enter answer -9. - Click here to enter answer -10. - Click here to enter answer -11. - Click here to enter answer -12. - Click here to enter answer -13. - Click here to enter answer -14. - Click here to enter answer -
Project Week 3
Project Week 3Project 3 Instructor’s Notes:You have seen the data in previous assignments. There are two questions—the ...
Project Week 3
Project Week 3Project 3 Instructor’s Notes:You have seen the data in previous assignments. There are two questions—the second one has four parts. The project is a little confusing in the way it is written, so here is the clarification.1. The first is a short answer.2. The second, following on from the first question, asks for the analysis of a histogram for each major for private and public universities (4 histograms—a public and a private one for each major)—it will help if you use Excel to do a graph to help in your analysis. Make sure to analyze “Annual % ROI,” not some other column.For these project assignments throughout the course you will need to reference the data in the ROI Excel spreadheet. Download it here.
Using the ROI data set:If we select 7 colleges from a major and then record whether they are of ‘School Type’ ‘Private’ or not, is this experiment a binomial one? Why or why not?For each of the 2 majors determine if the ‘Annual % ROI’ appears to be normally distributed. Consider the shape of the histogram and the measures of central tendency (mean and median) to justify your results. Report on each of these with charts and calculations to justify your answers.
Grading Criteria AssignmentsMaximum PointsMeets or exceeds established assignment criteria40Demonstrates an understanding of lesson concepts20Clearly presents well-reasoned ideas and concepts30Uses proper mechanics, punctuation, sentence structure, and spelling10Total100
4 pages
Statistics And Life
Statistics play a significant role in our lives. An insurance firm charges someone when they get a medical, car, or house ...
Statistics And Life
Statistics play a significant role in our lives. An insurance firm charges someone when they get a medical, car, or house insurance based on ...
Harvard University Implementation of CPU Scheduling Algorithms Project
1. In Health Administration Programs conducting satisfaction surveys are usually covered in courses on quality improvement ...
Harvard University Implementation of CPU Scheduling Algorithms Project
1. In Health Administration Programs conducting satisfaction surveys are usually covered in courses on quality improvement. This exercise shows how datafrom satisfaction surveys can be analyzed over time. Assume that, in different time periods, 4 randomly selected patients rated their satisfaction with our services. Are we improving? o Please use the following peer video as a reference for this question. You can find the solution here In Health Administration programs accounting courses typically cover cost data. Forensic accounting examines tries to detect fraud through accounting procedures. The following data were obtained regarding the cost of taking care of patients over several time periods. Are our costs within expectation? o Please use the following peer video as a reference for this question. You can find the solution here Payment reform has made hospital payments more complex. One issue in payment reform is whether the net payments to hospitals are decreasing because of numerous carve-outs for never-events. In health administration programs, payment reform is covered in several courses including courses on value-based payments, finance, quality and strategic planning. In this assignment, examine if payments for AMI have declined over 4 time periods indicated in the table below. Visit the following link to download the files listed below. Keep in mind that start and end periods of data are also given inside the files and that these do not correspond to the reporting year. Also, note that the name of variables and files change over the years.In these files the denominator indicates the number of patients. Payment indicates average payment per patient. Select data for hospitals that had at least 100 patients. Submit an Excel file containing the control chart for the data.In order to complete this assignment, you must submit an Excel file with each question answered in a separate sheet. Copy both the question prompts and your answers to the file. All calculations should be done by formulas and not as fixed values.Week 6Question 3 https://data.medicare.gov/data/archives/hospital-compareQuestion 4 https://data.medicare.gov/data/archives/hospital-comparehttps://youtu.be/jtSqzPWoVAw
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MHS NOAA Data Set and Maximum Temperature Variable DX32 Analysis Paper
Use the NOAA data set provided, to examine the variable DX32. DX32 represents the number of days in that month whose maxim ...
MHS NOAA Data Set and Maximum Temperature Variable DX32 Analysis Paper
Use the NOAA data set provided, to examine the variable DX32. DX32 represents the number of days in that month whose maximum temperature was less than 32 degrees F. The mean of DX32 during this time period was 3.6.
Using Excel, StatCrunch, etc., draw a histogram for DX32. Does this variable have an approximately normal (i.e. bell-shaped) distribution? A normal distribution should have most of its values clustered close to its mean. What kind of distribution does DX32 have?
Take a random sample of size 30 and calculate the mean of your sample. Did you get a number close to the real mean of 3.6? Although few individual data values are close to 3.6, why could you expect that your sample mean could be? Be sure to include the mean that you calculated for your random sample.
Imagine that you repeated this 99 more times so that you now have 100 different sample means. (You don’t have to do this … just imagine it!). If you plotted the 100 sample means on a histogram, do you think that this histogram will be approximately normal (bell-shaped)? How can you justify your answer?
Harvard University Introduction to Mathematical Cryptography Problems
Need for the solutions. Please have a good work. Kindly see the attachment and follow the instructions. Thank you. I can ...
Harvard University Introduction to Mathematical Cryptography Problems
Need for the solutions. Please have a good work. Kindly see the attachment and follow the instructions. Thank you. I can extend the assignment for 15 hours if needed.
Module 4 homework
Problem Set 4.41. Suppose that for a normal random variable X, we have a mean of µ=10 and a standard deviation of σ=3. a ...
Module 4 homework
Problem Set 4.41. Suppose that for a normal random variable X, we have a mean of µ=10 and a standard deviation of σ=3. a) What is the probability that X will be less than 13?- Click here to enter answer - b) What is the probability that X will be less than 8?- Click here to enter answer - c) What is the probability that X will be greater than 12?- Click here to enter answer - d) What is the probability that X will be greater than 6?- Click here to enter answer -e) What is the probability that X will be between than 3 and 17?- Click here to enter answer - f) What is the probability that X will be between than 8 and 14?- Click here to enter answer - 2. A farmer harvests several heads of iceberg lettuce. The weight of the heads of lettuce are normally distributed with a mean weight of 2.2 pounds and a standard deviation of .55 pounds. If you choose a head of lettuce at random, what is the probability that the head you chose will weigh:a) Less than 2 pounds?- Click here to enter answer - b) Greater than 2.5 pounds?- Click here to enter answer - c) Between 1.8 pounds and 2.7 pounds?- Click here to enter answer - 3. Suppose that the scores of a history test are normally distributed with a mean of 565 and a standard deviation of 113.a) What percentage of the scores are less than 450?- Click here to enter answer - b) What percentage of the scores are greater than 500?- Click here to enter answer - c) What percentage of the scores are between 550 and 600?- Click here to enter answer - d) Suppose you pick an individual history test at random, what is the probability that the score on the test is between 575 and 625?- Click here to enter answer - 4. The time that people stand in the waiting line at a particular fast food restaurant is normally distributed with a mean time of 130 seconds and a standard deviation of 25 seconds. If you go to that fast food restaurant, what is the probability that you will stand in the waiting line for:a) More than 150 seconds?- Click here to enter answer - b) Less than 120 seconds?- Click here to enter answer - c) Between 110 seconds and 150 seconds?- Click here to enter answer - . A convenience store sells between five and twelve boxes of sugar each week. The probabilities are given as follows:Find the number of boxes of sugar that the convenience store should expect to sell per week. Also, find the variance and standard deviation of this data.- Click here to enter answer - 2. A barber expects to get between zero and six customers per hour in his barber shop. The probability of these is given as follows:Find the number of expected customers that the barber will get per hour. Also, find the variance and standard deviation of this data.- Click here to enter answer - 3. A company makes bulbs for Christmas trees. Unfortunately, the boxes that contain the bulbs have been mishandled and many of the boxes contain one or more broken bulbs. The number of broken bulbs per box, along with the related probabilities are given as:Find the expected number of broken bulbs per box.- Click here to enter answer - Problem Set 4.21 . A basketball player makes foul shots 75 % of the time. If she takes 9 shots, what is the probability that she will make exactly 7 shots.- Click here to enter answer - 2. A baseball player has a batting average of .211 (in other words, he gets a hit 21.1 % of the time that he goes up to bat). If he goes up to bat 13 times, what is the probability that he will get exactly 4 hits?- Click here to enter answer - 3. A large shipment of light bulbs has just arrived at a store. It has been revealed that 17 % of the light bulbs are defective (the other light bulbs are good). Suppose that you choose 6 light bulbs at random. What is the probability that 2 or less of the bulbs are defective.- Click here to enter answer - 4. Your factory has seven safety systems. During an emergency, the probability of any one of the safety systems failing is .06. The factory will be in danger if more than four safety systems fail. What is the probability of your factory being in danger during an emergency?- Click here to enter answer - Problem Set 4.3(Remember: You may find the standard normal table by clicking Help Files on the upper right of this page)1. - Click here to enter answer - 2. - Click here to enter answer -3. - Click here to enter answer -4. - Click here to enter answer -5. - Click here to enter answer -6. - Click here to enter answer -7. - Click here to enter answer -8. - Click here to enter answer -9. - Click here to enter answer -10. - Click here to enter answer -11. - Click here to enter answer -12. - Click here to enter answer -13. - Click here to enter answer -14. - Click here to enter answer -
Project Week 3
Project Week 3Project 3 Instructor’s Notes:You have seen the data in previous assignments. There are two questions—the ...
Project Week 3
Project Week 3Project 3 Instructor’s Notes:You have seen the data in previous assignments. There are two questions—the second one has four parts. The project is a little confusing in the way it is written, so here is the clarification.1. The first is a short answer.2. The second, following on from the first question, asks for the analysis of a histogram for each major for private and public universities (4 histograms—a public and a private one for each major)—it will help if you use Excel to do a graph to help in your analysis. Make sure to analyze “Annual % ROI,” not some other column.For these project assignments throughout the course you will need to reference the data in the ROI Excel spreadheet. Download it here.
Using the ROI data set:If we select 7 colleges from a major and then record whether they are of ‘School Type’ ‘Private’ or not, is this experiment a binomial one? Why or why not?For each of the 2 majors determine if the ‘Annual % ROI’ appears to be normally distributed. Consider the shape of the histogram and the measures of central tendency (mean and median) to justify your results. Report on each of these with charts and calculations to justify your answers.
Grading Criteria AssignmentsMaximum PointsMeets or exceeds established assignment criteria40Demonstrates an understanding of lesson concepts20Clearly presents well-reasoned ideas and concepts30Uses proper mechanics, punctuation, sentence structure, and spelling10Total100
4 pages
Statistics And Life
Statistics play a significant role in our lives. An insurance firm charges someone when they get a medical, car, or house ...
Statistics And Life
Statistics play a significant role in our lives. An insurance firm charges someone when they get a medical, car, or house insurance based on ...
Harvard University Implementation of CPU Scheduling Algorithms Project
1. In Health Administration Programs conducting satisfaction surveys are usually covered in courses on quality improvement ...
Harvard University Implementation of CPU Scheduling Algorithms Project
1. In Health Administration Programs conducting satisfaction surveys are usually covered in courses on quality improvement. This exercise shows how datafrom satisfaction surveys can be analyzed over time. Assume that, in different time periods, 4 randomly selected patients rated their satisfaction with our services. Are we improving? o Please use the following peer video as a reference for this question. You can find the solution here In Health Administration programs accounting courses typically cover cost data. Forensic accounting examines tries to detect fraud through accounting procedures. The following data were obtained regarding the cost of taking care of patients over several time periods. Are our costs within expectation? o Please use the following peer video as a reference for this question. You can find the solution here Payment reform has made hospital payments more complex. One issue in payment reform is whether the net payments to hospitals are decreasing because of numerous carve-outs for never-events. In health administration programs, payment reform is covered in several courses including courses on value-based payments, finance, quality and strategic planning. In this assignment, examine if payments for AMI have declined over 4 time periods indicated in the table below. Visit the following link to download the files listed below. Keep in mind that start and end periods of data are also given inside the files and that these do not correspond to the reporting year. Also, note that the name of variables and files change over the years.In these files the denominator indicates the number of patients. Payment indicates average payment per patient. Select data for hospitals that had at least 100 patients. Submit an Excel file containing the control chart for the data.In order to complete this assignment, you must submit an Excel file with each question answered in a separate sheet. Copy both the question prompts and your answers to the file. All calculations should be done by formulas and not as fixed values.Week 6Question 3 https://data.medicare.gov/data/archives/hospital-compareQuestion 4 https://data.medicare.gov/data/archives/hospital-comparehttps://youtu.be/jtSqzPWoVAw
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