View both photos attached and answer the question below.   Estimate the net sale in future promotions, 95% confidence intervals for the population means were constructed. See output below. Explain and compare the confidence interval for net sales for Promotional and Regular customers. Make sure to clearly describe the confidence intervals in the context of the problem.

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View both photos attached and answer the question below.

 

Estimate the net sale in future promotions, 95% confidence intervals for the population means were constructed. See output below. Explain and compare the confidence interval for net sales for Promotional and Regular customers. Make sure to clearly describe the confidence intervals in the context of the problem.

Descriptives
Type of Customer
Statistic
Std. Error
Net Sales
Promotio Mean
84.2900
7.34615
95% Confidence Interval
Lower Bound
69.6348
for Mean
Upper Bound
98.9452
5% Trimmed Mean
78.1454
Median
63.4200
Variance
3777.614
Std. Deviation
61.46230
Minimum
13.23
Maximum
287.59
Range
274.36
Interquartile Range
65.88
Skewness
1.520
.287
Kurtosis
2.136
.566
Regular
Mean
61.9917
6.40250
95% Confidence Interval
Lower Bound
48.8971
for Mean
Upper Bound
75.0863
5% Trimmed Mean
59.0463
Median
51.0000
Variance
1229.761
Std. Deviation
35.06794
Minimum
22.50
Maximum
159.75
Range
137.25
Interquartile Range
34.88
Skewness
1.351
.427
Kurtosis
1.402
.833
Transcribed Image Text:Descriptives Type of Customer Statistic Std. Error Net Sales Promotio Mean 84.2900 7.34615 95% Confidence Interval Lower Bound 69.6348 for Mean Upper Bound 98.9452 5% Trimmed Mean 78.1454 Median 63.4200 Variance 3777.614 Std. Deviation 61.46230 Minimum 13.23 Maximum 287.59 Range 274.36 Interquartile Range 65.88 Skewness 1.520 .287 Kurtosis 2.136 .566 Regular Mean 61.9917 6.40250 95% Confidence Interval Lower Bound 48.8971 for Mean Upper Bound 75.0863 5% Trimmed Mean 59.0463 Median 51.0000 Variance 1229.761 Std. Deviation 35.06794 Minimum 22.50 Maximum 159.75 Range 137.25 Interquartile Range 34.88 Skewness 1.351 .427 Kurtosis 1.402 .833
Graph for Regular Customers
250
200
150
100
50
1 2 3 45 6 7 89 1011 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 30
Net Sales
Age
Promotional Customers
400
350
300
250
200
150
100
50
1 35 7 9 111315171921232527293133353739414345474951535557596163656769
Net Sales
Age
Transcribed Image Text:Graph for Regular Customers 250 200 150 100 50 1 2 3 45 6 7 89 1011 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 30 Net Sales Age Promotional Customers 400 350 300 250 200 150 100 50 1 35 7 9 111315171921232527293133353739414345474951535557596163656769 Net Sales Age
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