Find the range variance standard deviation of the frequency distribution

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Find the

  • range
  • variance
  • standard deviation of the frequency distribution
class markef
19
16-22
1 1
15.5-22:5
27
23 -29
16
22.5-29.5
26
33
6
30-36
29.5-36.5
3 3
38
37-43
36.5-43.5
39
40
u4-50
2
4305-50.5 u6
51-57
150.5-5구.5
53
Mo
58-64
57.5-445 59
57.5-64.5
41
65-71
64,5-71.51 66
47
72-78
71.5-78.5 6 9
50
3
total
50
Transcribed Image Text:class markef 19 16-22 1 1 15.5-22:5 27 23 -29 16 22.5-29.5 26 33 6 30-36 29.5-36.5 3 3 38 37-43 36.5-43.5 39 40 u4-50 2 4305-50.5 u6 51-57 150.5-5구.5 53 Mo 58-64 57.5-445 59 57.5-64.5 41 65-71 64,5-71.51 66 47 72-78 71.5-78.5 6 9 50 3 total 50
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