Question

Your supervisor dumped a box of sales information regarding your company and then asked you to make sense of it. You went through the information and compliled the following list of this year's weekly sales (in $1,000's). Your job now is to organize and summarize the information. 6 8 4 6 5 10 11 5 2 3 6 5 7 8 7 4 4 5 7 6 Be sure to show all your work! I am not able to award partial credit for wrong answers with no supporting computations. Part I: (5 points for this part) using the raw data, what is the 1) mean, 2) median, 3) mode, 4) range, 5) variance and standard deviation? Part II: (15 points for this part) a. Organize these scores into a frequency distribution using 5 classes, beginning with “0”. b. Construct a histogram and one other useful chart. c. Comment on the shape of the distribution. d. Ignore part “c” above and assume the data are normally distributed. Based on this assumption, approximately 95% of your organization’s sales were between $_____ and $_______ (use the Empirical Rule). e. What conclusions might one draw from this information?

Answer 1