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. 5.58 5.72 4.38 4.74 4.80 5.02 4.60 4.76 5.19 5.34 4.56 5.70 Click the icon to view the table of critical t-values. A point estimate for the population mean is 5.03 (Round to two decimal places as needed.) (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.) and O A. There is a 95% probability that the true mean pH of rain water is between and O B. If repeated samples are taken, 95% of them will have a sample pH of rain water between and O C. There is 95% confidence that the population mean pH of rain water is between

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9.2.31
E Question Help
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.
5.58
5.72
4.38
4.74
4,56
4.80
5.19
5.70
5.02
4.60
5.34
4.76
Click the icon to view the table of critical t-values.
A point estimate for the population mean is 5.03
(Round to two decimal places as needed.)
(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.)
and
O A. There is a 95% probability that the true mean pH of rain water is between
and
O B. If repeated samples are taken, 95% of them will have a sample pH of rain water between
and
C. There is 95% confidence that the population mean pH of rain water is between
Click to select and enter your answer(s) and then click Check Answer.
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Transcribed Image Text:9.2.31 E Question Help 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. 5.58 5.72 4.38 4.74 4,56 4.80 5.19 5.70 5.02 4.60 5.34 4.76 Click the icon to view the table of critical t-values. A point estimate for the population mean is 5.03 (Round to two decimal places as needed.) (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.) and O A. There is a 95% probability that the true mean pH of rain water is between and O B. If repeated samples are taken, 95% of them will have a sample pH of rain water between and C. There is 95% confidence that the population mean pH of rain water is between Click to select and enter your answer(s) and then click Check Answer. Check Answer 2 parts remaining Clear All 2.
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