Textbook ExpertVerified Tutor
23 Nov 2021
Given information
The percentage class of underweight children and their corresponding class frequencies.
Step-by-step explanation
Step 1.
Formula used:
Sample mean:
Standard deviation:
| Percentage of underweight children | Number of countries  |
class midpoints  |
 |
 |
 |
| 16-21.45 | 23 | 18.725 | 430.675 | 8064.389 | 0.46 |
| 21.45-26.9 | 4 | 24.175 | 96.7 | 2337.723 | 0.08 |
| 26.9-32.35 | 9 | 29.625 | 266.625 | 7898.766 | 0.18 |
| 32.35-37.8 | 7 | 32.075 | 245.525 | 8611.789 | 0.14 |
| 37.8-43.25 | 6 | 40.525 | 243.15 | 9853.654 | 0.12 |
| 43.25-48.7 | 1 | 45.975 | 45.975 | 2113.701 | 0.02 |
| Total | 50 | 1328.65 | 38880.02 |
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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