Question

The heights of 10 boys were measured (in cm) and the results are listed below:
135, 150, 139, 127, 152, 133, 145, 148, 144, 141.
a) What is the range of the data?
b) What is the mean height of the boys?
c) How many boys have heights more than the mean height?​

Answer 1

Range : lowest number - the largest number
= range
152 - 127
= 25

Mean : all numbers divided by the the total numbers

Answer 2

Answer:

a.

range of data is difference between the highest and lowest values of given data.

that means, 152-127=25.

b.

mean height of boys

=(135+150+139+127+152+133+145+148+144+141)/10 = 1414 \div 10

=141.4

c.

boys have heights more than the mean height=

150, 152, 145, 148, 144, 141.

=6