In a study of obesity the following results were obtained from samples of males and females between the ages of 20 and 75: Can we conclude from the data below that there is no significant difference between the proportions of overweight among 20-75 years old between males and females? α is set at 0.05
n
Number of Overweight
Males
150
21
Females
200
48
Answer the following questions:
1.State your null hypothesis and alternative hypothesis at the level of significance= 0.05.
2.Conduct an appropriate test. (handwrite with formula and steps) 3.Can we conclude that there is a difference in the population proportion of overweight males versus overweight females based on the sampled populations?