The following Table contains information from a survey among 599 participants classified according to their age groups. The second column shows the percentage of obese people per age class among the study participants. The last column comes from a different study at the national level that shows the corresponding percentages of obese people in the same age classes in the UK. Perform a Hypothesis test at the 5% significance level to determine whether the survey participants are a representative sample of the UK obese population. Age Class (Years) Obese (Percentage) Expected UK average (percentage) 20–30 65.0 32.6 31–40 26.5 32.6 41–50 13.6 36.6 51–60 21.9 36.6 61–70 21.0 39.7
The following Table contains information from a survey among 599 participants classified according to their age groups. The second column shows the percentage of obese people per age class among the study participants. The last column comes from a different study at the national level that shows the corresponding percentages of obese people in the same age classes in the UK. Perform a Hypothesis test at the 5% significance level to determine whether the survey participants are a representative sample of the UK obese population. Age Class (Years) Obese (Percentage) Expected UK average (percentage) 20–30 65.0 32.6 31–40 26.5 32.6 41–50 13.6 36.6 51–60 21.9 36.6 61–70 21.0 39.7
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The following Table contains information from a survey among 599 participants classified according to their age groups. The second column shows the percentage of obese people per age class among the study participants. The last column comes from a different study at the national level that shows the corresponding percentages of obese people in the same age classes in the UK. Perform a Hypothesis test at the 5% significance level to determine whether the survey participants are a representative sample of the UK obese population.
| Age Class (Years) | Obese (Percentage) | Expected UK average (percentage) |
|
20–30 |
65.0 |
32.6 |
|
31–40 |
26.5 |
32.6 |
|
41–50 |
13.6 |
36.6 |
|
51–60 |
21.9 |
36.6 |
|
61–70 |
21.0 |
39.7 |
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