The following data represent the pH of rain for a random sample of 12 rain dates. A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot indicates there are no outliers. Complete parts (a) through (d) below. SE 5.20 5.02 5.43 5.72 4.57 4.76 5.24 4.74 4.56 (b) Construct and interpret a 95% confidence interval for the mean pH of rainwater. Select the correct choice below and fill in the answer boxes to complete your choice. (Use ascending order. Round to two decimal places as needed.) A. There is 95% confidence that the population mean pH of rain water is between 4.81 and 5.27. OB. There is a 95% probability that the true mean pH of rain water is between and OC. If repeated samples are taken, 95% of them will have a sample pH of rain water between and (c) Construct and interpret a 99% confidence interval for the mean pH of rainwater. Select the correct choice below and fill in the answer boxes to complete your choice. (Use ascending order. Round to two decimal places as needed.) OA. There is a 99% probability that the true mean pH of rain water is between and OB. If repeated samples are taken, 99% of them will have a sample pH of rain water between and OC. There is 99% confidence that the population mean pH of rain water is between and 4.80 5.19 5.30
The following data represent the pH of rain for a random sample of 12 rain dates. A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot indicates there are no outliers. Complete parts (a) through (d) below. SE 5.20 5.02 5.43 5.72 4.57 4.76 5.24 4.74 4.56 (b) Construct and interpret a 95% confidence interval for the mean pH of rainwater. Select the correct choice below and fill in the answer boxes to complete your choice. (Use ascending order. Round to two decimal places as needed.) A. There is 95% confidence that the population mean pH of rain water is between 4.81 and 5.27. OB. There is a 95% probability that the true mean pH of rain water is between and OC. If repeated samples are taken, 95% of them will have a sample pH of rain water between and (c) Construct and interpret a 99% confidence interval for the mean pH of rainwater. Select the correct choice below and fill in the answer boxes to complete your choice. (Use ascending order. Round to two decimal places as needed.) OA. There is a 99% probability that the true mean pH of rain water is between and OB. If repeated samples are taken, 99% of them will have a sample pH of rain water between and OC. There is 99% confidence that the population mean pH of rain water is between and 4.80 5.19 5.30
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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The following data represent the pH of rain for a random sample of 12 rain dates. A normal
probability plot suggests the data could come from a population that is normally distributed. A
boxplot indicates there are no outliers. Complete parts (a) through (d) below.
5.20
5.02
5.43
and
(b) Construct and interpret a 95% confidence interval for the mean pH of rainwater. Select the correct choice below and fill in the answer boxes to
complete your choice.
(Use ascending order. Round to two decimal places as needed.)
A. There is 95% confidence that the population mean pH of rain water is between 4.81 and 5.27.
OB. There is a 95% probability that the true mean pH of rain water is between and
OC. If repeated samples are taken, 95% of them will have a sample pH of rain water between and
and
5.72
4.57
4.76
(c) Construct and interpret a 99% confidence interval for the mean pH of rainwater. Select the correct choice below and fill in the answer boxes to
complete your choice.
(Use ascending order. Round to two decimal places as needed.)
OA. There is a 99 % probability that the true mean pH of rain water is between
OB. If repeated samples are taken, 99% of them will have a sample pH of rain water between and
OC. There is 99% confidence that the population mean pH of rain water is between
5.24
4.74
4.56
Clear all
4.80
5.19
5.30
Check answer
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