Textbook ExpertVerified Tutor
18 Nov 2021
Given information
The most obese countries in the world have obesity rates that range from 
to 
. This data is summarized in Table 
.
Step-by-step explanation
Step 1.
Average is defined as the ratio of sum of observations to the total number of observations.
The best estimate of the average obesity percentage for these countries is the sample mean 
.
The formula to calculate the sample mean is:
where, 
is the frequency, 
is the interval midpoint and 
.
The formula to calculate the standard deviation is:
Unlock all Textbook Solutions
Already have an account? Log in
Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208
Solutions
Chapter
Section
- Problem 74a
- Problem 74b
- Problem 75a
- Problem 75b
- Problem 75c
- Problem 76a
- Problem 76b
- Problem 76c
- Problem 76d
- Problem 76e
- Problem 76f
- Problem 77a
- Problem 77b
- Problem 77c
- Problem 77d
- Problem 77e
- Problem 77f
- Problem 77g
- Problem 77h
- Problem 78a
- Problem 78b
- Problem 79
- Problem 80
- Problem 81
- Problem 82a
- Problem 82b
- Problem 82c
- Problem 83a
- Problem 83b
- Problem 83c
- Problem 83d
- Problem 83e
- Problem 84a
- Problem 84b
- Problem 84c
- Problem 84d
- Problem 84e
- Problem 85a
- Problem 85b
- Problem 86a
- Problem 86b
- Problem 86c
- Problem 87a
- Problem 87b
- Problem 88a
- Problem 88b
- Problem 89a
- Problem 89b
- Problem 89c
- Problem 89d
- Problem 89e
- Problem 89f
- Problem 89g
- Problem 89h
- Problem 90
- Problem 91a
- Problem 91b
- Problem 91c
- Problem 92
- Problem 93a
- Problem 93b
- Problem 93c
- Problem 94
- Problem 95a
- Problem 95b
- Problem 96
- Problem 97
- Problem 98
- Problem 99
- Problem 100
- Problem 101
- Problem 102
- Problem 103
- Problem 104
- Problem 105a
- Problem 105b
- Problem 106
- Problem 107