Question 1
Solve the problem. Round your answer to one decimal place unless otherwise indicated.
Eleven female college students are selected at random and asked their heights. The heights (in inches) are as follows:
68, 59, 65, 71, 64, 63, 68, 63, 61, 65, 62
Estimate the mean height of all female students at this college.
◦ 65 inches
◦ 64.5 inches
◦ 63.9 inches
◦ It is not possible to estimate the population mean from this sample data
Question 2
Solve the problem. Round your answer to one decimal place unless otherwise indicated.
Nine employees of a company are selected at random and asked how far they commute to work each day. The distances (in miles) are as follows:
34, 16, 42, 26, 22, 36, 6, 47, 11
Estimate the mean commute distance of all employees of the company.
◦ 26.7 miles
◦ 25.5 miles
◦ It is not possible to estimate the population mean from this sample data
◦ 26 miles
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