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Multiple Choice Questions

161. The mean of multiples of 3 from 3 to 10 is:

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162.

The ages (in years) of 10 children are given below 15, 15, 16, 16, 15, 14, 17, 16, 14, 16.
The modal age of the children is:

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163. Mode of the marks obtained by 20 students is 4, 6, 5, 9, 3, 9, 7, 7, 6, 5, 4, 9, 10, 10, 3, 4, 7, 6, 9, 9

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164. Class mark of a class internal 15 – 25 is:

10

20

40

40

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165. Calculate the median of the following data 4, 6, 9, 10, 13, 14

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166. The class mark of the class internal 90 – 120 is:

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167. Mode of data 125, 175, 225, 125, 225, 175, 325, 125, 375, 225 and 125 will be:

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Short Answer Type

168. 5 people were asked about the time in a week they spend in doing social work in their community. They said 10, 7, 13, 20 and 15 hours, respectively. Find the mean (or average) time in a week denoted by them for social work.

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169.

The heights (in cm) of students of a class are as follows :

155 160 145 149 150
147 152 144 148

Find the median of this data.

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170.

The points scored by a Kabaddi team in a series of matches are as follows :

17, 2, 7, 27, 15, 5, 14, 8, 10, 24, 48, 10, 8, 7, 18, 28

Find the median of the points scored by the team.

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