”Module 2 – CaseMEASURES OF CENTRAL TENDENCYCase AssignmentBy submitting this assignment, you affirm that it contains all original work, and that you are familiar with Trident University’s Academic Integrity policy in the Trident Policy Handbook. You affirm that you have not engaged in direct duplication, copy/pasting, sharing assignments, collaboration with others, contract cheating and/or obtaining answers online, paraphrasing, or submitting/facilitating the submission of prior work. Work found to be unoriginal and in violation of this policy is subject to consequences such as a failing grade on the assignment, a failing grade in the course, and/or elevated academic sanctions. You affirm that the assignment was completed individually, and all work presented is your own.Problems need to include all required steps and answer(s) for full credit. All answers need to be reduced to lowest terms where possible.Answer the following problems showing your work and explaining (or analyzing) your results. Submit your work in a typed Microsoft Word document. Describe the measures of central tendency. Under what condition(s) should each one be used?Last year, 12 employees from a computer company retired. Their ages at retirement are listed below. First, create a stem plot for the data. Next, find the mean retirement age. Round to the nearest year. 55 77 64 77 69 63 62 64 85 64 56 59A retail store manager kept track of the number of car magazines sold each week over a 10-week period. The results are shown below. 27 30 21 62 28 18 23 22 26 28Find the mean, median, and mode of newspapers sold over the 10-week period.Which measure(s) of central tendency best represent the data?Name any outliers.Joe wants to pass his statistics class with at least a 75%. His prior four test scores are 74%, 68%, 84% and 79%. What is the minimum score he needs on the final exam to pass the class with a 75% average?Nancy participated in a summer reading program. The number of books read by the 23 participants are as follows: 10 9 6 2 5 3 9 1 6 3 10 4 7 6 3 5 6 2 6 5 3 7 2Number of books readFrequency1–2 3–4 5–6 7–8 9–10 Complete the frequency table.Find the mean of the raw data.Find the median of the raw data. The chart below represents the number of inches of snow for a seven-day period.SundayMondayTuesdayWednesdayThursdayFridaySaturday25310042Find the mean, median, and mode.Which is the best measure of central tendency?Remove Wednesday from the calculations. How does that impact the three measures of central tendency?Describe the effect outliers have on the measures of central tendency.A dealership sold 15 cars last month. The purchase price of the cars, rounded to the nearest thousand, is represented in the table.Purchase priceNumber of cars sold$15,0003$20,0004$23,0005$25,0002$45,0001Find the mean and median of the data.Which measure best represents the data? Use the results to support your answer.What is the outlier and how does it affect the data?8. What do the letters represent on the box plot?9. The test scores from a math final exam are as follows: 64 85 93 55 87 90 73 81 86 79Create a box plot using the data.Label the five points on the box plot and include numerical answers from part “a.”10. Using the data and results from Question 9, answer the following questions.What is the median?What is the range?What is the interquartile range?In a short paragraph, describe the data in the box plot.Submit your work by the module due date. If you are having difficulty, please contact your professor.
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