You wish to test the following claim (Ha) at a significance level of a = 0.002. H.:µ = 68.9 Ha:µ + 68.9 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = 432 with mean = 69.3 and a standard deviation of s = 7.2. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value =

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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You wish to test the following claim (Ha) at a significance level of a =
= 0.002.
H.:µ = 68.9
Ha:µ + 68.9
You believe the population is normally distributed, but you do not know the standard deviation. You obtain a
sample of size n =
- 7.2.
432 with mean x
69.3 and a standard deviation of s
What is the test statistic for this sample? (Report answer accurate to three decimal places.)
test statistiC =
What is the p-value for this sample? (Report answer accurate to four decimal places.)
p-value =
Transcribed Image Text:You wish to test the following claim (Ha) at a significance level of a = = 0.002. H.:µ = 68.9 Ha:µ + 68.9 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = - 7.2. 432 with mean x 69.3 and a standard deviation of s What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistiC = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value =
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