Based on this sample, you seek to answer the following questions: 1. What is the lag effectiveness of the current advertising policy? In answering this question, consider the following: Docs the averags amount of sales differ 0, 1. and 2 weeks after an advertisement? (a=05)

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Hypothesis test for the difference between means

Hypothesis test for proportions

ANOVA

Transaction ID Sale Amount Gender Payment Type Promotion Type Weeks After Advertisement
1 50.8 Female Non-Credit None 2
2 93.5 Male Non-Credit BOGO 2
3 70.2 Female Non-Credit BOGO 1
4 36.3 Female Non-Credit None 0
5 71.5 Female Non-Credit BOGO 1
6 79.7 Male Credit BOGO 0
7 60.3 Female Credit Coupon 1
8 74.5 Male Credit None 0
9 86.4 Female Credit BOGO 0
10 20.6 Male Credit None 2
11 39.8 Male Credit None 2
12 67.4 Male Non-Credit Coupon 1
13 52.2 Female Non-Credit Coupon 2
14 99.9 Female Credit None 0
15 68.9 Male Non-Credit Coupon 1
16 74.5 Male Non-Credit BOGO 0
17 88.5 Female Non-Credit None 1
18 88 Female Non-Credit BOGO 1
19 64.6 Female Credit Coupon 1
20 55.8 Female Non-Credit None 2
21 73 Male Non-Credit BOGO 1
22 64 Female Credit Coupon 1
23 73.7 Female Credit BOGO 1
24 58.7 Female Credit Coupon 2
25 70.1 Female Non-Credit Coupon 2
26 78.7 Female Credit Coupon 0
27 85.1 Female Credit BOGO 0
28 66.3 Male Credit Coupon 1
29 62.8 Male Credit BOGO 1
30 75.4 Female Non-Credit Coupon 0
31 53.3 Female Non-Credit BOGO 2
32 65.2 Female Credit Coupon 1
33 59.2 Male Non-Credit Coupon 1
34 104.6 Female Non-Credit Coupon 2
35 67.3 Female Non-Credit None 1
36 51.5 Male Non-Credit Coupon 2
37 81.4 Male Non-Credit Coupon 0
38 49.6 Female Non-Credit None 1
39 62.3 Female Credit Coupon 1
40 54.8 Male Credit Coupon 2
41 63.4 Male Non-Credit Coupon 1
42 47.4 Male Credit None 1
43 65.9 Male Credit Coupon 1
44 42.2 Female Credit None 2
45 36.8 Male Non-Credit None 0
46 88.1 Female Non-Credit BOGO 1
47 57.8 Male Non-Credit Coupon 2
48 96.7 Female Credit BOGO 0
49 77 Female Non-Credit Coupon 0
50 93 Female Credit BOGO 0
51 70.5 Female Non-Credit BOGO 1
52 66.5 Female Non-Credit Coupon 1
53 84.4 Male Non-Credit None 0
54 27.6 Male Non-Credit BOGO 2
55 59 Male Non-Credit Coupon 2
56 49.1 Male Non-Credit None 1
57 54.4 Female Non-Credit Coupon 2
58 63.4 Female Credit Coupon 1
59 95.1 Female Non-Credit BOGO 0
60 69.3 Female Non-Credit Coupon 2
61 72.2 Female Credit BOGO 1
62 39.1 Male Credit None 0
63 69.4 Female Non-Credit Coupon 2
64 60.7 Male Non-Credit Coupon 1
65 65.2 Female Non-Credit Coupon 1
66 74.5 Female Credit BOGO 0
67 44.1 Male Non-Credit BOGO 2
68 83.1 Female Non-Credit BOGO 0
69 30.3 Male Credit None 2
70 49.8 Male Credit None 1
71 39.5 Male Non-Credit None 0
72 48.9 Female Credit None 1
73 70.8 Male Credit BOGO 1
74 78.5 Male Non-Credit Coupon 0
75 107.9 Female Non-Credit BOGO 0
76 101 Female Non-Credit BOGO 2
77 47.3 Female Non-Credit None 2
78 82 Female Non-Credit BOGO 0
79 110.6 Female Credit BOGO 0
80 73.7 Female Non-Credit BOGO 1
81 27 Male Credit None 2
82 68.9 Female Non-Credit Coupon 1
83 43.2 Female Credit None 2
84 61.5 Male Credit Coupon 1
85 59.5 Male Non-Credit Coupon 1
86 28.2 Male Non-Credit None 2
87 83.9 Female Non-Credit BOGO 0
88 50 Male Credit None 1
89 91.4 Female Non-Credit BOGO 0
90 55.8 Female Non-Credit Coupon 2
91 45.4 Male Non-Credit None 2
92 103.8 Female Credit BOGO 2
93 69.5 Female Credit Coupon 2
94 69.6 Female Non-Credit Coupon 2
95 72.9 Male Non-Credit BOGO 1
96 67.1 Female Credit None 1
97 53.8 Male Non-Credit Coupon 2
98 94.1 Female Credit Coupon 0
99 58.3 Female Non-Credit Coupon 2
100 86.4 Female Non-Credit Coupon 1
ASK AN EXPERT
Case Scenario:
Congratulations. You have just inherited your uncle's business, which is a clothing store. Although the
business was successful, your uncle was a "seat of the pants" type of businessman. There was never any
sales analysis conducted concerning, c.g. determining the effectiveness of promotional policies. You
intend to analyze past sales data to gain insight into the business operations.
The following data in this file corresponds to a random sample of 100 sales transactions that took place
over the previous year. Because all transactions took place during the previous year and all transactions
took place on Saturdays, on non-holiday weekends, you are confident that seasonal and cyclical effects
are absent from the data.
Case Analysis: (use excel functions when necessary. Thank yor)
Based on this sample, you seek to answer the following questions:
1. What is the lag effectiveness of the current advertising policy? In answering this question, consider
the following:
a) Does the average amount of sales differ 0, 1, and 2 weeks after an advertisement? (a=.05)
b) Test the hypothesis that the average amount of sales 0 weeks after an advertisement is larger than
the average amount of sales 2 weeks after an advertisement. (a-.05)
Transcribed Image Text:ASK AN EXPERT Case Scenario: Congratulations. You have just inherited your uncle's business, which is a clothing store. Although the business was successful, your uncle was a "seat of the pants" type of businessman. There was never any sales analysis conducted concerning, c.g. determining the effectiveness of promotional policies. You intend to analyze past sales data to gain insight into the business operations. The following data in this file corresponds to a random sample of 100 sales transactions that took place over the previous year. Because all transactions took place during the previous year and all transactions took place on Saturdays, on non-holiday weekends, you are confident that seasonal and cyclical effects are absent from the data. Case Analysis: (use excel functions when necessary. Thank yor) Based on this sample, you seek to answer the following questions: 1. What is the lag effectiveness of the current advertising policy? In answering this question, consider the following: a) Does the average amount of sales differ 0, 1, and 2 weeks after an advertisement? (a=.05) b) Test the hypothesis that the average amount of sales 0 weeks after an advertisement is larger than the average amount of sales 2 weeks after an advertisement. (a-.05)
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Follow-up Questions
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Follow-up Question

Using the same data and information. Please answer this:

  1. Should you be encouraging or discouraging credit card sales? In answering this question, consider the following:
    1. Is the proportion of credit and non-credit sales significantly different? (a=.05)

Is the average sale amount for credit sales different than the average sales amount for non-credit sales? (a=.05)

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