Question

The weight of 50 students of class are given . Find mean
WEIGHT. 25_30. 30_35. 35_40. 40_45. 45_50
NO.OF 8. 11. 17. 9. 5
STUDENTS

Answer 1

Answer:

33

Step-by-step explanation:

Answer 2

Mean = 36.7

Step-by-step explanation:

The weight of 50 students of class are given

Class             f             Mean       (mean - 37.5)/5        f*(mean - 37.5)/5

25 - 30        8              27.5                -2                            -16

30 - 35        11              32.5                -1                            -11

35 - 40        17              37.5                0                            0

40 - 45        9              42.5                 1                             9

45 - 50        5              47.5                 2                            10

                  50                                                                   -8

Mean = 37.5  +  5 * (-8)/50

= 37.5 -0.8

= 36.7

Mean = 36.7

Learn more:

find the mean of the following data .class less than 20,40,60,80,100 ...

https://brainly.in/question/2688894

Given the mean of the following data is 53, find the value of x and y ...

https://brainly.in/question/10374934