Question

The administrator of a hospital surveyed the number of days patients stayed in the hospital.
The date is given below:

Stay in days no of patients
1-3 32
4-6 108
7-9 67
10-12 28
13-15 14
16-18 7
19-21 3
22-24 1
Calculate
(a) Mean.
(b) Variance.
(a) Standard Deviation.
(d) Coefficient of variation.
(e) Interpret the mean and coefficient of variation.​

Answer 1

Answer:

ans= M=7.1

Step-by-step explanation:

Ans=7.1 mean = 7.1