The dean of students wants to see whether there is a significant difference in ages of resident students and commuting students. She selects a sample of 50 students from each group. The ages are shown here. At α = 0.05, decide if there is enough evidence to reject the claim of no difference in the ages of the two groups. Use the P-value method. Assume σ1 = 3.68 and σ2 = 4.7.
a. State the hypotheses and identify the claim.
b. Find the critical value(s).
c. Compute the test value.
d. Make the decision.
e. Summarize the results.

  • CreatedSeptember 02, 2015
  • Files Included
Post your question