Chapter 13, Problem 16E

a)

To determine

To find the type of the study.

Answer to Problem 16E

This is an experimental study.

Explanation of Solution

First need to understand about the experimental study and observational study:

Experimental study: Assigning people or things to groups and applying some treatment to one group, while the other group does not receive the treatment.

Observation study: In an observational study, measure or survey members of a sample without trying to affect them.

This is an experimental study because the treatment is imposed on the subjects.

b)

To determine

To find the subjects.

Answer to Problem 16E

The 5 racing grey hounds.

Explanation of Solution

The subjects studied were racing greyhounds.

c)

To determine

To find the factors and number of levels.

Answer to Problem 16E

Diet with varying amounts of vitamin C with 3 levels.

Explanation of Solution

In this study, the factor is Diet with varying amount of vitamin C. Therefore, there are 3 levels which might be specified values of the factor.

d)

To determine

To find the number of treatments.

Answer to Problem 16E

3

Explanation of Solution

In this study, there are 3 treatments.

e)

To determine

To find the response variable.

Answer to Problem 16E

The response variable is speed of the greyhounds.

Explanation of Solution

In this study, the response variable is running speed of the greyhounds.

f)

To determine

To identify the type experiment.

Answer to Problem 16E

Matched design

Explanation of Solution

The experiment used a matched design. That is, each of the greyhounds was given each of the 3 of diet in random order.

g)

To determine

To identify whether the study is blinded or double blinded.

Answer to Problem 16E

The experiment is not determined as blinded.

Explanation of Solution

The experiment is cannot determine because it does not have any indication about blind.

h)

To determine

To explain the scope and conclusions.

Explanation of Solution

Dogs who eat high amounts of vitamin C run slower than dogs who eat low amounts of vitamin C.