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Statistics and Probability

   

Added on  2022-11-30

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Statistics and
Probability[online exam]
Statistics and Probability_1
TABLE OF CONTENTS
QUESTION 1..................................................................................................................................3
QUESTION 2..................................................................................................................................7
QUESTION 3..................................................................................................................................7
QUESTION 4..................................................................................................................................7
QUESTION 5..................................................................................................................................7
QUESTION 6..................................................................................................................................7
QUESTION 7..................................................................................................................................8
Statistics and Probability_2
QUESTION 1
Data given is
55 54 47 55 58
56 61 48 51 44
45 59 58 64 57
48 55 45 66 74
Arranging the data in the ascending order we get,
44, 45, 45, 47, 48, 48, 51, 54, 55, 55, 55, 56, 57, 58, 58, 59, 61, 64, 66, 74,
a. Mean of the data values, μ = Sum of all the values / number of values
= 1040 / 20
= 52
x x-μ ∣x−μ∣2
44 -8 64
45 -7 49
45 -7 49
47 -5 25
48 -4 16
48 -4 16
51 -1 1
54 2 4
55 3 9
55 3 9
55 3 9
56 4 16
57 5 25
58 6 36
58 6 36
3
Statistics and Probability_3

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