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Owner: pendeen
Created: Jan 28, 2018
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MTH 245 Stats Lab 2 - JArcher
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7a:  I chose six classes for my frequency distribution.  The number falls between the 5 & 20 "nice" class widths and allows for a pleasing number of 10 for the class width.

7b: I chose 10 as the class width.  This I calculated by approximating the lower class boundary (18.5) to 20 and the upper class boundary (77.5) to 80.  I originally though that 20 would be a good width but that would only allow for three classes so 10 seemed the logical conclusion.

10: Reviewing the data and histograms I concluded that Group 1 - males - were more easy with expressing their anger that Group 2 - females.  This was due to the frequency of larger numbers higher up the scale.

 

*****I have copy and pasted the histogram of the total about four times.  It shows up beautifully until I save the report then it disappears in a puff of smoke!!*****

Stem and Leaf Plot Variable: Anger

Decimal point is 1 digit(s) to the right of the colon.

Leaf unit = 1

1 : 9

2 : 12679

3 : 357

4 : 124

5 : 2238

6 : 128

7 : 7

 

 

 

Result 1: Summary Stats by Group - JArcher   [Info]
Summary statistics for Anger:
Group by: Group
GroupnMeanVarianceStd. dev.Std. err.MedianRangeMinMaxQ1Q3
11048314.6666717.7388465.6095157485522773561
21037.9228.7666715.1250344.7829559354319622752

Result 2: Summary Stats Total - JArcher   [Info]
Summary statistics:
ColumnnMeanVarianceStd. dev.Std. err.MedianRangeMinMaxQ1Q3
Anger2042.95284.2605316.8600273.770016841.55819772855.5

Result 3: Frequency Table Total - JArcher   [Info]
Frequency table results for Bin(Anger):
Count = 20
Bin(Anger)FrequencyRelative FrequencyCumulative FrequencyCumulative Relative Frequency
18.5 to 28.550.2550.25
28.5 to 38.540.290.45
38.5 to 48.530.15120.6
48.5 to 58.540.2160.8
58.5 to 68.530.15190.95
68.5 to 78.510.05201

Result 4: Histogram for Group 1 - JArcher   [Info]
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Result 5: Histogram for Group 2 - JArcher   [Info]
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Data set 1. MTH245 Stats Lab 2 - JArcher   [Info]
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By remetzger
Jan 29, 2018

Excellent report, JA!

Always Learning