mathematics

The following data represents the percentage of family income allocated to groceries for a sample of 50 shoppers

Table 3

Percentage

Frequency

10 -< 19

6

20 -< 29

14

30 -< 39

16

40-< 49

11

50-< 59

3

The variance and standard deviation of the family income is

A.
1211.629 and 34.808

B.
121.184 and 11.008

C.
1200.151 and 34.643

D.
1190.474 and 34.503

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  1. The way your data is posted, it is very difficult to understand.

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  2. the following data represents the percentage of family income allocated to groceries for a sample of 50 shoppers
    percentage frequenccy
    10-19 6
    20-19 14
    30-39 16
    40-49 11
    50-59 3
    compute the following
    i) mode
    ii) median
    iii) Quartile deviation
    iv) Coefficient of variation

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