Scenario: A study was done to compare the lung capacity of coal miners to the lung capacity of farm workers. The researcher studied 200 workers of each type. Other factors that might affect lung capacity are smoking habits and exercise habits. The smoking habits of the two worker types are similar, but the coal miners generally exercise less than the farm workers do?
Submitted by: AdministratorWhich of the following is the explanatory variable in this study?
► a) Exercise
► b) Lung capacity
► c) Smoking or not
► d) Occupation
Answer - d
Submitted by: Administrator
► a) Exercise
► b) Lung capacity
► c) Smoking or not
► d) Occupation
Answer - d
Submitted by: Administrator
Read Online Statics Job Interview Questions And Answers
Top Statics Questions
☺ | Which one of these statistics is unaffected by outliers? |
☺ | A list of 5 pulse rates is: 70, 64, 80, 74, 92. What is the median for this list? |
☺ | A chi-square test involves a set of counts called “expected counts.” What are the expected counts? |
Top School Education Categories
☺ | Mathematics Interview Questions. |
☺ | GMAT Interview Questions. |
☺ | Metallurgy Interview Questions. |
☺ | Polio Eradication Officer Interview Questions. |
☺ | Physical Education Interview Questions. |