Question 8 1 pts Questions 8 and 9 refer to the following. Car rental rates per

Question

Question 8 1 pts Questions 8 and 9 refer to the following. Car rental rates per day for a sample of seven Eastern U.S. cities are as follows. City Boston Daily Rate $43 35 34 58 30 30 36 Atlanta Miami New York Orlando Pittsburgh Washington, D.C. Compute the variance for the car rental rates. Note: Indicate the answer in the following format, excluding the quotation marks. If the answer is a whole number, for example, twenty, type "20". If the answer is a decimal, for example, twenty point five, type "20.5".

Explanation / Answer

Answer to the question is as follows:

The mean of these Eastern cities is $38

The variance of these eastern cities is ((43-38)^2 + ...(36-38)^2)/7-1 = $97, ninety seven

This is stdev of $9.85

9. A similar sample of 7 Eastern city cars has a mean = $38. They have stdev of $3.5

So, Answer d. is correct

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