I have only 30 min. Please help The random sample shown below was selected from a normal distribution.5, 9, 5, 8, 7, 2 oComplete parts a and b.a. Construct a 95% confidence interval for the population mean u.D (Round to two decimal places as needed.)b. Assume that sample mean x and sample standard deviation s remain exactly the same as those you just calculated but that are based on a sample of n= 25 observations. Repeat part a. What is the effect of increasing the sample size on thewidth of the confidence intervals?The confidence interval is ( D. (Round to two decimal places as needed.)What is the effect of the sample size on the width of the confidence interval?O A. As the sample size increases, the width stays the same.O B. As the sample size increases, the width increases.O C. As the sample size increases, the width decreases.

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Description: I have only 30 min. Please help The random sample shown below was selected from a normal distribution.5, 9, 5, 8, 7, 2 oComplete parts a and b.a. Construct a 95% confidence interval for the population mean u.D (Round to two decimal places as needed.)

Given, The sample is: 5, 9, 5, 8, 7, 2 This follows normal distribution. To find, a) construct…

Math

Statistics

The random sample shown below was selected from a normal distribution. 5, 9, 5, 8, 7, 2 O Complete parts a and b. a. Construct a 95% confidence interval for the population mean u. D (Round to two decimal places as needed.) b. Assume that sample mean x and sample standard deviation s remain exactly the same as those you just calculated but that are based on a sample of n 25 observations. Repeat part a. What the effect of increasing the sample size on width of the confidence intervals? The confidence interval is ( D. (Round to two decimal places as needed.) What is the effect of the sample size on the width of the confidence interval? O A. As the sample size increases, the width stays the same. O B. As the sample size increases, the width increases. O C. As the sample size increases, the width decreases.

The random sample shown below was selected from a normal distribution. 5, 9, 5, 8, 7, 2 O Complete parts a and b. a. Construct a 95% confidence interval for the population mean u. D (Round to two decimal places as needed.) b. Assume that sample mean x and sample standard deviation s remain exactly the same as those you just calculated but that are based on a sample of n 25 observations. Repeat part a. What the effect of increasing the sample size on width of the confidence intervals? The confidence interval is ( D. (Round to two decimal places as needed.) What is the effect of the sample size on the width of the confidence interval? O A. As the sample size increases, the width stays the same. O B. As the sample size increases, the width increases. O C. As the sample size increases, the width decreases.

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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I have only 30 min. Please help

The random sample shown below was selected from a normal distribution.
5, 9, 5, 8, 7, 2 o
Complete parts a and b.
a. Construct a 95% confidence interval for the population mean u.
D (Round to two decimal places as needed.)
b. Assume that sample mean x and sample standard deviation s remain exactly the same as those you just calculated but that are based on a sample of n= 25 observations. Repeat part a. What is the effect of increasing the sample size on the
width of the confidence intervals?
The confidence interval is ( D. (Round to two decimal places as needed.)
What is the effect of the sample size on the width of the confidence interval?
O A. As the sample size increases, the width stays the same.
O B. As the sample size increases, the width increases.
O C. As the sample size increases, the width decreases.

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