B. The following data show the age of 180 random consumer of facial wash in a supermarket. Calculate the Mean, Variance and Standard deviation. Construct the whole table. Age Number of Consumer (f) 9 – 15 12 16 - 22 52 23 – 29 68 30 – 36 28 37 – 43 13 44 – 50 4 51 – 57 58 – 64 1 n = 180

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B. The following data show the age of 180 random consumer of facial wash
in a supermarket. Calculate the Mean, Variance and Standard deviation.
Construct the whole table.
Age
Number of Consumer (f)
9 – 15
12
16 - 22
52
23 – 29
68
30 – 36
28
37 – 43
13
44 – 50
51 – 57
58 – 64
1
n = 180
4-
Transcribed Image Text:B. The following data show the age of 180 random consumer of facial wash in a supermarket. Calculate the Mean, Variance and Standard deviation. Construct the whole table. Age Number of Consumer (f) 9 – 15 12 16 - 22 52 23 – 29 68 30 – 36 28 37 – 43 13 44 – 50 51 – 57 58 – 64 1 n = 180 4-
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