1 answer

You wish to test the following claim (Ha) at a significance level of a =0.05 Ho:p...

Question:

You wish to test the following claim (Ha) at a significance level of a =0.05 Ho:p Ha:p<76.8 76.8 You believe the population i
You wish to test the following claim (Ha) at a significance level of a =0.05 Ho:p Ha:p<76.8 76.8 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of 25 with mean M = 70.7 and a standard deviation of SD = 12.8. SIze n= What is the test statistic for this sample? (Report answer aceurate to three decimal places.) test statistic -2.383 What is the p-value for this sample? (Report answer accurate to four decimal places) p-value

Answers

P value is = 0.0127...................by using Excel command =TDIST(ABS(-2.383),24,1)

Sample size = n = 25

Degree of freedom = n - 1 = 25 - 1 = 24

Let tailed test .

.

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