Exam 5: Business Statistics

Calculate the grade point average: A = 4, B = 3, C = 2, D = 1, F = 0.

The range of 55, 93, 48, 53, 55, 93, 63, 80, 75, and 55 is:

Find the median: 25, 18, 17, 29, 40

At North Shore Community College, Bill Martin took four three-credit courses. He received an A in Economics and three B's (Business Math, Accounting, and Psychology). What is his grade point average (to the hundredth)? Assume A = 4, B = 3.

A median will distort an average that has one or more extreme values.

Janet's Bake Shop produced the following number of oat bran muffins each week for the first 10 weeks of 2014. Prepare a bar graph.

Today the price of a Jeep is $25,000. In 1970 the price was $5,000. What is the price relative?

Russell Co. reported sales of $400,000 in 2012. This compared to sales of $180,000 in 2011 and $100,000 in 2010. Construct a line graph for Russell Co.

Find the (A) mean (B) median, and (C) mode: 9, 20, 15, 9, 17, 28, 26

Wayne Myrick's salaries at the beginning of each decade for five years are listed below. What was the mean of his salaries? $98,500, $84,600, $79,300, $69,000, $48,750

Calculate the weighted mean: $300, $600, $500, $300, $300, $600, $500, $500

Tracy received the following grades during the spring semester (three semester credits for all grades): A = 4.0, B = 3.0, C = 2.0, D = 1.0, F = 0. Business Stat I B Business Calculus C Marketing B Biology A Art B What was her semester GPA?

Frequency of occurrence is used in finding the weighted mean.

Calculating one's grade point average is an example of using the median.

Moe's Department Store counted the number of customers entering the store for the week. The results showed 1,150, 1,281, 550, 900, 1,150, 550, 1,150. What is the mode?

Indicate the number of degrees on a pie chart each would be given: A. 62% favor low-cholesterol bacon B. 30% favor traditional bacon C. 8% have no preference