Report whether the overall distribution of departure time looks normal. Explain your reasonin

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Report whether the overall distribution of departure time looks normal. Explain your reasoning.

 

Descriptives
SEX
Statistic
Std. Error
DEPTTIMΕ
1.00
Mean
33.3056
1.38264
95% Confidence Interval
Lower Bound
30.5610
for Mean
Upper Bound
36.0501
5% Trimmed Mean
32.4664
Median
32.4200
Variance
185.434
Std. Deviation
13.61742
Minimum
10.61
Maximum
73.88
Range
63.27
Interquartile Range
17.31
Skewness
.948
.245
Kurtosis
.915
.485
2.00
Mean
36.1336
1.58580
95% Confidence Interval
Lower Bound
32.9882
for Mean
Upper Bound
39.2790
5% Trimmed Mean
34.6033
Median
33.9900
Variance
259.020
Std. Deviation
16.09410
Minimum
12.75
Мaximum
113.35
Range
100.60
Interquartile Range
15.36
Skewness
2.220
.238
Kurtosis
8.138
472
Transcribed Image Text:Descriptives SEX Statistic Std. Error DEPTTIMΕ 1.00 Mean 33.3056 1.38264 95% Confidence Interval Lower Bound 30.5610 for Mean Upper Bound 36.0501 5% Trimmed Mean 32.4664 Median 32.4200 Variance 185.434 Std. Deviation 13.61742 Minimum 10.61 Maximum 73.88 Range 63.27 Interquartile Range 17.31 Skewness .948 .245 Kurtosis .915 .485 2.00 Mean 36.1336 1.58580 95% Confidence Interval Lower Bound 32.9882 for Mean Upper Bound 39.2790 5% Trimmed Mean 34.6033 Median 33.9900 Variance 259.020 Std. Deviation 16.09410 Minimum 12.75 Мaximum 113.35 Range 100.60 Interquartile Range 15.36 Skewness 2.220 .238 Kurtosis 8.138 472
Histogram
for SEX= 1.00
20
Mean = 33.31
Std. Dev. = 13.617
N= 97
15
10
5
10.00
20.00
30.00
40.00
50.00
60.00
70.00
DEPTTIΜΕ
Histogram
for SEX= 2.00
30
Mean = 36.13
Std. Dev. = 16.094
N= 103
10
20.00
40.00
60.00
80.00
100.00
120.00
DEPTTIΕ
Frequency
Frequency
Transcribed Image Text:Histogram for SEX= 1.00 20 Mean = 33.31 Std. Dev. = 13.617 N= 97 15 10 5 10.00 20.00 30.00 40.00 50.00 60.00 70.00 DEPTTIΜΕ Histogram for SEX= 2.00 30 Mean = 36.13 Std. Dev. = 16.094 N= 103 10 20.00 40.00 60.00 80.00 100.00 120.00 DEPTTIΕ Frequency Frequency
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