Q2 of 79 Page 24

If the ratio of mode and median of a certain data is 6 : 5, then find the ratio of its mean and median.

Mode = 3 Median – 2 Mean

=


Mode =


= 3 Median - 2 Mean


2 Mean = 3 Median -


2 Mean =


Mean =


Therefore, = 9: 10


More from this chapter

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5

The demand of different shirt sizes, as obtained by a survey, is given below:

































Size



38



39



40



41



42



43



44



Number of persons (wearing it) :



26



39



20



15



13



7



5



Total = 125










Find the modal shirt sizes, as observed from the survey.

 1

If the ratio of mean and median of a certain data is 2:3, then find the ratio of its mode and mean.

 3

If the mean of x+2, 2x+3, 3x+4, 4x+5 is x+2, find x.

 4

The arithmetic mean and mode of a data are 24 and 12 respectively, then find the median of the data.