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Author Question: Consider the following hypothesis test: Ho: 40 Ha: < 40 A sample of 49 provides a sample mean ... (Read 72 times)

ap345

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on: Jun 24, 2018
Consider the following hypothesis test: Ho:   40 Ha:  < 40 A sample of 49 provides a sample mean of 38 and a sample standard deviation of 7.
 a. Determine the standard error of the mean.
  b. Compute the value of the test statistic.
  c. Determine the p-value; and at 95 confidence, test the above hypotheses.

Question 2

Consider the following hypothesis test: Ho:   14 Ha:  < 14 A sample of 64 provides a sample mean of 13 and a sample standard deviation of 4.
 a. Determine the standard error of the mean.
  b. Compute the value of the test statistic.
  c. Determine the p-value; and at 95 confidence, test the above hypotheses.


xthemafja

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Reply #1 on: Jun 24, 2018
Answer to Question 1

a. 1
b. t = -2
c. p-value is between .025 and .05; reject H0

Answer to Question 2

a. 0.5
b. t = -2
c. p-value is between .01 and .025; reject H0


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