Question

Mind helping me out with these? Find the mean and range of the following data. 50, 60, 48, 72, 23, 98, 100 . The marks in a subject for 12 students are as follows: 31, 37, 35, 38, 42, 23, 17, 18, 35, 25, 35, 29. For the given data, find the (a) Mean (b) Mode (c) Median. If the mean of 26, 28, 25, x, 24 is 27, find the value of x.

Answer 1

first:

mean=64.43

range=77

second:

mean =30.42

mode=35

median=33

x=-76

Answer 2

1. Mean- 64.43

Range- 77

2. Mean- 30.42

Mode- 35

Median- 20

Explanation:

1. Mean- 50+60+48+72+23+98+100= 451

451 divide by 7= 64.43

Range- biggest no. - smallest no. 100-23=77

2. Mean- 31+37+35+38+42+23+17+18+35+25+35+29= 365 -->

365 divide by 12= 30.42

Mode- most repeated no= 35

Median- 2 middles-- 23+17=40 then divide by 2= 20.