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4. The following data are the semester tuition charges ($000) for a sample of private colleges in various regions of the US. At the .05
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4. The following data are the semester tuition charges ($000) for a sample of private colleges in various regions of the US. At the .05
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Question 1131825: please help me to solve this prob, thank u.
4. The following data are the semester tuition charges ($000) for a sample of private colleges in various regions of the US. At the .05 significance level, can we conclude there is a difference in the mea tuition rates for the various regions?
Northeast Southeast West
10 8 7
11 9 8
12 10 6
10 8 7
12 6
a) State the null and the alternative hypostheses
b) What is the decision rule?
c) What is your decision regarding the null hypothesis?
d) Could there be a significant difference between the mean tuition in the northeast and that of the west?If so, develop a 95% confidence interval for that difference
