10th cbse statistics

The number of families having expenditure range in Rs 16000-19000 is

• 15

• 17

• 18

• 19

Construction of a cumulative frequency table is useful determining the

•  mean

•   mode

• medien

• all of the above

The abscissa of the point of interaction of the ‘less than type’ and of the ‘more than type’ cumulative frequency curve of grouped data gives

• mode

•  median

•   mean

•  all of the above

what is the modal class

• 15-60

•  30-40

•  20-30

•  10-20

 What should be the modal class

•   10-20

•   30-40

• 40-50

• 50-60

What should be the frequency of 30-40 in this case

• 51

• 48

• 4

• 3

 What should come in the blank?

      Mode= (…………..) –2 (mean)

•  3 (median)

•   4 (median)

•   2 (median)

•  5 (median)

 What should be the modal class?

•  0-10

• 10-20

• 20-30

• 50-60