Question: A 2003 consumer spending survey showed that the average monthly balance for Bank of America Visa cards was $1838. A sample of credit card balances taken last month provided the following data:

236 1710 1351 825 7450

316 4135 1333 1584 387

991 3396 170 1428 1688

a. Compute the mean and the median.

b. Compute the first and third quartiles.

c. Compute the range and the interquartile range.

d. Compute the variance and the standard deviation.