The marks obtained by 8 students in a mathematics test are: 15, 20, 25, 25, 30, 35, 40, 50. Find mean.
A33
B32
C33.5
D30
A33
B32
C33.5
D30
Related Questions:
The table below shows that employees in an office , sorted according to their age. Find the median:
Age | Number of workers |
25 - 30 | 4 |
30 - 35 | 7 |
35 - 40 | 8 |
40 - 45 | 10 |
45 - 50 | 9 |
50 -55 | 8 |
Total | 46 |
Study the following graph and answer the question given below. The below Histogram shows the data of the annual rainfall (in cm).
The number of times annual rainfall below 120 cm is what percent of the number of times the annual rainfall above 130 cm?