The mean annual tuition and fees for a sample of 11 private colleges was $26,500
with a standard deviation of $6000. A dotplot shows that it is reasonable to
assume that the population is approximately normal. You wish to test whether the
mean tuition and fees for private colleges is different from $31,000. i). State the null and alternate hypotheses.
ii). Compute the value of the test statistic and state the number of degrees of freed iii). State a conclusion regarding $H _ { 0 }$. Use the $\alpha = 0.05$ level of significance. .

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The Answer of The mean annual tuition and fees for a sample of 11 private colleges was $26,500
with a standard deviation of $6000. A dotplot shows that it is reasonable to
assume that the population is approximately normal. You wish to test whether the
mean tuition and fees for private colleges is different from $31,000. i). State the null and alternate hypotheses.
ii). Compute the value of the test statistic and state the number of degrees of freed iii). State a conclusion regarding $H _ { 0 }$. Use the $\alpha = 0.05$ level of significance. .

The Mean Annual Tuition and Fees for a Sample of 11