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Test the claim that the mean GPA of night students is significantly different than the mean GPA of day students at the 0.1 significance level.

Test the claim that the mean GPA of night students is significantly different than the mean GPA of day students at the 0.1 significance level. The null and alternative hypothesis would be:

H0:NDH0:ND H1:N>DH1:N>D H0:pNpDH0:pNpD H1:pN>pDH1:pN>pD H0:NDH0:ND H1:N

right-tailed two-tailed left-tailed The sample consisted of 55 night students, with a sample mean GPA of 2.05 and a standard deviation of 0.02, and 55 day students, with a sample mean GPA of 2.09 and a standard deviation of 0.08. The test statistic is: (to 2 decimals) The p-value is: (to 2 decimals) Based on this we:

  • Reject the null hypothesis
  • Fail to reject the null hypothesis

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