Question

question on statistics
40, 56, 24, 41, 51, 22, 59, 12, 26, 46,
51, 14, 23, 59, 58, 29, 41, 35, 36, 40,
42, 43, 36, 33, 38, 52, 23, 24, 13, 55,
18, 54, 20, 57, 30, 24, 43, 50, 26, 15.
Taking class intervals 10-20, 20-30, ….., 50-60; Construct a frequency distribution
table.
For the frequency distribution obtained in (a), find the mean using
(i)Direct method
(ii)Short-Cut method
iii)Step-deviation method
By using a graph paper, draw an ‘OGIVE’ for the same distribution and
hence estimate (i) the median
(ii) Upper quartile
(iii) Lower quartile
(iv) Inter-quartile range

Answer 1

Answer:

mean using

(i)Direct method

(ii)Short-Cut method

iii)Step-deviation method

By using a graph paper, draw an ‘OGIVE’ for the same distribution and

hence estimate (i) the median

(ii) Upper quartile

(iii) Lower quartile

(iv) Inter-quartile range

Step-by-step explanation:

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