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.
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.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5c957b6c-d926-4a9f-a333-f6a75586e116%2Fef8947c8-682f-4cc2-a1f3-ad91a141b5ec%2Fnrb6z8i_processed.jpeg&w=3840&q=75)
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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5c957b6c-d926-4a9f-a333-f6a75586e116%2Fef8947c8-682f-4cc2-a1f3-ad91a141b5ec%2Fnuy3v7s_processed.png&w=3840&q=75)
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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