Question
The following data represent the pH of rain for a random sample of 12 rain dates....
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.
5.30 5.02 5.29
5.72 4.58 4. 76
4.99 4.74 4.56
4.80 5. 19 5.71
(a) Determine a point estimate for the population mean
b. Construct a 90, 95, and 99% intervals for the mean pH of rain
c.) What happens to the interval as the level of confidence is changed? Explain why this is a logical result.
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The following data represent the pH of rain for a random sample of 12 rain dates....
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The following data represent the pH of rain for a random sample of 12 rain dates....
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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.
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The following data represent the pH of rain for a random sample of 12 rain dates....
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come from a population that is normally distributed. A boxplot
indicates there are no outliers. Complete parts (a) through (d)
below.
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