A Researcher Wished to Compare the Effect of the Different

question 11

Multiple Choice

A researcher wished to compare the effect of the different rates of stepping on volunteers' heart rates in a step-aerobics workout.A collection of thirty adult volunteers,fifteen women and fifteen men,were selected from a local gym.The men were randomly divided into three groups of five subjects each.Each group did a standard step-aerobics workout,with Group 1 at a low rate of stepping,Group 2 at a medium rate of stepping,and Group 3 at a rapid rate.The women were also randomly divided into three groups of five subjects each.As with the men,each group did a standard step-aerobics workout,with Group 1 at a low rate of stepping,Group 2 at a medium rate of stepping,and Group 3 at a rapid rate.The mean heart rate at the end of the workout for all the subjects was determined in beats per minute. A partial ANOVA table for these data is given below. What are the factors in this experiment?

• A)Rate of stepping and heart rate
• B)Rate of stepping and gender
• C)Heart rate and gender
• D)Gym membership and gender

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Definitions:

Baltimore Newspapers

Refers to newspapers published in Baltimore, Maryland, covering local, national, and international news.

Substitute Goods

Substitute goods are products or services that can be used in place of each other, fulfilling similar needs or desires.

Consumer Income

The total amount of income earned by consumers, impacting their ability to purchase goods and services.

Equilibrium Price

The price at which the quantity of goods demanded is equal to the quantity of goods supplied, leading to a market balance.