The α angle of a triangle ABC was measured 50 times with a theodolite to obtain the following values ​​(In the table, after the first value, only the last two digits of the measured angle are written).  a) Calculate the mean value and standard deviation of the angle α using the relevant formulas (write the standard deviation in cc) b) For the angle α, create the frequency table of the sample set given in the question and draw the frequency histogram. c) Find the confidence intervals of 0.95 of the mean value of the angle α and its variance.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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The α angle of a triangle ABC was measured 50 times with a theodolite to obtain the following values ​​(In the table, after the first value, only the last two digits of the measured angle are written). 

a) Calculate the mean value and standard deviation of the angle α using the relevant formulas (write the standard deviation in cc)

b) For the angle α, create the frequency table of the sample set given in the question and draw the frequency histogram.

c) Find the confidence intervals of 0.95 of the mean value of the angle α and its variance.

71,6075
62
59
56
66
65
80
86
57
90
85
87
73
41
67
61
74
64
45
71
53
78
67
69
61
60
77
79
71
68
76
89
68
58
89
93
66
49
40
65
72
94
48
81
69
83
63
55
54
70
Transcribed Image Text:71,6075 62 59 56 66 65 80 86 57 90 85 87 73 41 67 61 74 64 45 71 53 78 67 69 61 60 77 79 71 68 76 89 68 58 89 93 66 49 40 65 72 94 48 81 69 83 63 55 54 70
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