Home / iGCSE Mathematics (0580) :E9.4 Calculate the mean, median, mode and rangE.iGCSE Style Questions Paper 2

iGCSE Mathematics (0580) :E9.4 Calculate the mean, median, mode and rangE.iGCSE Style Questions Paper 2

Question

Raj measures the height, h cm, of 70 plants.
The table shows the information.

Calculate an estimate of the mean height of the plants.
……………………… cm

Answer/Explanation

Ans:

44.1 or 44.07…

Question

Cheryl recorded the midday temperatures in Seoul for one week in January.

(a) Write down the mode.

Answer/Explanation

Ans: -3 °C

(b) On how many days was the temperature lower than the mode?

Answer/Explanation

Ans: 4

Question

Jim scores the following marks in 8 tests.
7       8        8         y           6           9            10          5
His mean mark is 7.5 .
Calculate the value of y.

Answer/Explanation

Ans: 7 nfww 

Question

The box-and-whisker plot gives information about the heights, in centimetres, of some plants.


(a) Write down the median.
…………………………………….. cm
(b) Find
(i) the range,
…………………………………….. cm
(ii) the interquartile range.
…………………………………….. cm

Answer/Explanation

(a)11.5
(b)(i)12
   (ii)8.5

Question

The table shows the marks scored by 40 students in a test.


Calculate the mean mark.
…………………….

Answer/Explanation

7.2

Question

Some students were asked how many books they each had in their school bags.
The table shows some of this information.


The mean number of books is 7.6 .
Calculate the value of x.
x = ………………………………………….

Answer/Explanation

13

Question

The number of passengers on a bus is recorded each day for 14 days.
15 18 22 17 35 38 24
19 19 24 25 31 36 29
(a) Complete the stem-and-leaf diagram.


(b) Find the median.
………………………………………….

Answer/Explanation

(a)
(b)24

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