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2. II.(10) For the last 7 weeks of golf, Emily had scores of 70 74 79 82 77 80 84 For this sample of golf scores give: 1. E* 2. E. 3. 4. s'= 5. The sample standard deviation =

2. II.(10) For the last 7 weeks of golf, Emily had scores of 70 74 79 82 77 80 84 For this sample of golf scores give: 1. E* 2. E. 3. 4. s'= 5. The sample standard deviation =

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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IL(10) For the last 7 weeks of golf, Emily had scores of 70 74 79 82 77 80 84 For this sample of golf scores give: 1. x. 2. S' 3. 4. s= 5. The sample standard deviation = IV.(18) The following are scores on exam 1 of a statistics course. 80 84 94 65 72 55 84 99 86 87 For this population answer the following 6 questions. 1. Find U= 2. Find o %3D 3. Find the standard deviation = 4. Find the Z-score of 75. 5. How many standard deviations from the mean is the score 6. What score represents a Z-score of -2 for this population? of 62? V. (10) The following table of 850 students shows those that have or don't have covid-19 and shows those who had a positive test or a negative test. just made this data up so don't take this as representative of our current state. Answer the following questions. Positive Test Negative Test Have Covid-19 Don't have Covid-19 45 25 775 Let D be the event you Don't have Covid-19 and N the event you have a negative test. 1. P(D) = 2. P(DI N) = 3. Are D and N independent? 5. What is the probability that you Have Covid-19 even though the test came back negative? 4. Explain
Transcribed Image Text:IL(10) For the last 7 weeks of golf, Emily had scores of 70 74 79 82 77 80 84 For this sample of golf scores give: 1. x. 2. S' 3. 4. s= 5. The sample standard deviation = IV.(18) The following are scores on exam 1 of a statistics course. 80 84 94 65 72 55 84 99 86 87 For this population answer the following 6 questions. 1. Find U= 2. Find o %3D 3. Find the standard deviation = 4. Find the Z-score of 75. 5. How many standard deviations from the mean is the score 6. What score represents a Z-score of -2 for this population? of 62? V. (10) The following table of 850 students shows those that have or don't have covid-19 and shows those who had a positive test or a negative test. just made this data up so don't take this as representative of our current state. Answer the following questions. Positive Test Negative Test Have Covid-19 Don't have Covid-19 45 25 775 Let D be the event you Don't have Covid-19 and N the event you have a negative test. 1. P(D) = 2. P(DI N) = 3. Are D and N independent? 5. What is the probability that you Have Covid-19 even though the test came back negative? 4. Explain
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