Question: Getting a college education today is almost as important as breathing and its expensive! It is not just the tuition, room, and board; textbooks are

Getting a college education today is almost as important as breathing and it€™s expensive! It is not just the tuition, room, and board; textbooks are expensive too. It is very important for students, and their parents, to have an accurate estimate of total textbook costs.The total cost of required textbooks for nine freshman- or sophomore-level classes at 10 randomly selected New York public colleges was collected:

a. Construct a histogram and find the mean and standard deviation.
b. Demonstrate how this set of data satisfies the assumptions for inference.
c. Find the 95% confidence interval for m, the mean total cost of required textbooks.
d. Interpret the meaning of the confidence interval.

582.19 957.45 806.40 960.92 913.44 996.24 915.75 1070.44 932.35 1223.44

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