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Measures of Central Tendency
Question
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Calculate the median of following data:

145, 130, 200, 210, 198, 234, 159, 160, 178, 257, 260, 300, 345, 360 and 390.

Answer

By arranging data we get the following data:

130, 145, 159, 160, 178, 198, 200, 210, 234.1 257, 260, 300, 345, 360 and 390.

Median    =  Value of   N + 1 item
                                          2
              =    15 + 1
                         2
              = Value  of 8th  item
Value if 8th item  =  210

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Some More Questions From Measures of Central Tendency Chapter

The size of land holdings of 380 families in a village is given below. Find the median size of land holdings.

Size of Land Holdings (in acres)

Number of families

less than 100

100-200

200-300

300-400

400 and above

40

89

148

64

39

What do you mean by 'Average'?

Pocket expenditures of 6 students are (Rs.) 6,12,18,24,30 and 36 respectively. Find out arithmetic mean.

Name various kinds of statistical averages?

Give formula of weighted averages.

Give formula of calculating arithmetic average of a continuous series.

What is arithmetic mean?

Define median.

Define mode.

Give formula for finding out median.