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Week 8 : Final Exam - Final Examen-US
8335231 http://takeexam.n en-US
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1. (TCO A) Seventeen salespeople reported the following number of sales calls completed last month.
72 93 82 81 82 97 102 107 119
86 88 91 83 93 73 100 102
a. Compute the mean, median, mode, and standard deviation, Q1, Q3, Min, and Max for the above
sample data on number of sales calls per month.
b. In the context of this situation, interpret the Median, Q1, and Q3. (Points : 33)
a. mean = 91.2
median = 91
mode = 82, 93, 102
standard deviation = 91.2
Min = 72
Max = 119
Q1 = 835
Q2 = 716
0 135380797 Essay 13
2. (TCO B) Cedar Home Furnishings has collected data on their customers in terms of whether they reside in
an urban location or a suburban location, as well as rating the customers as either “good,” “borderline,” or
, “poor.” The data is below.
Urban Suburban Total
Good 60 168 228
Borderline 36 72 108
Poor 24 40 64
Total 120 280 400
If you choose a customer at random, then find the probability that the customer
a. is considered “borderline.”
b. is considered “good” and resides in an urban location.
c. is suburban, given that customer is considered “poor.” (Points : 18)
0 135380798 Essay 23
3. (TCO B) Historically, 70% of your customers at Rodale Emporium pay for their purchases using credit
cards. In a sample of 20 customers, find the probability that
a. exactly 14 customers will pay for their purchases using credit cards.
b. at least 10 customers will pay for their purchases using credit cards.
c. at most 12 customers will pay for their purchases using credit cards. (Points : 18)
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