Q5 of 48 Page 125

In a basket there are 10 tomatoes. The weight of each of these tomatoes in grams is as follows 60, 70, 90, 95, 50, 65, 70, 80, 85, 95.

Find the median of the weights of tomatoes.

Here, n=10



So median = Mean of fifth and sixth observations.


Arrange data in ascending order,


50, 60,65, 70,70, 80, 85, 90,95,95



More from this chapter

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3

The marks (out of 100) obtained by 7 students in Mathematics' examination are given below. Find the mode for these marks.

99, 100, 95, 100, 100, 60, 90

 4

The monthly salaries in rupees of 30 workers in a factory are given below.

5000, 7000, 3000, 4000, 4000, 3000, 3000, 3000, 8000, 4000,


4000, 9000, 3000, 5000, 5000, 4000, 4000, 3000, 5000, 5000,


6000, 8000, 3000, 3000, 6000, 7000, 7000, 6000, 6000, 4000


From the above data find the mean of monthly salary.

 6

A hockey player has scored following number of goals in 9 matches.

5, 4, 0, 2, 2, 4, 4, 3, 3. Find the mean, median and mode of the data.

 7

The calculated mean of 50 observations was 80. It was later discovered that observation 19 was recorded by mistake as

91. What was the correct mean?