Question

1. Calculate arithmetic mean, median, mode and standard deviation for the followin
Class Interval
Less than cumulative frequency
10-19
7
20-29
22
30-39
40
40-49
65
50-59
95
60-69
115
70.79
131
80-89
138
90-99
140

please solve this ​

Answer 1

Answer:

The mean is 65.153

The median is 62.5

There is no mode in this frequency.

The Standard deviation is 77.108

Step-by-step explanation:

I think it will help you.