Chapter 12, Problem 21P

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8th Edition

Frederick J Gravetter + 1 other

ISBN: 9781133956570

Textbook Problem

The following data are from an independent-measures study comparing two treatment conditions.

a. Use an independent-measures *t* test with

b. Use an ANOVA with
*F = t ^{2}.*

**a.**

To determine

There are any significant mean differences between the two treatments.

Explanation

**Given info:**

Use an independent-measures *t* test with

The following data were obtained from an independent-measures research study comparing two treatment conditions.

Treatment I | Treatment II |

8 | 2 |

7 | 3 |

6 | 3 |

5 | 5 |

9 | 2 |

**Calculation:**

For an independent-measures study:

*Null Hypothesis:* There are no significant mean differences between the two treatments.

*Alternate Hypothesis:* There are significant mean differences between the two treatments.

**Software procedure:**

Step-by-step procedure to run the *t* test using the SPSS software is.

- Enter the name of two variables in
**variable view**>**data**and**treatments** - Enter the values of both the treatments in one column named
**data**. - Enter 1 consecutive five times and 2 five times under the variable
**treatments**

**b.**

To determine

There are any significant mean differences between the two treatments.

Sect-12.2 P-1LCSect-12.2 P-2LCSect-12.2 P-3LCSect-12.2 P-4LCSect-12.3 P-1LCSect-12.3 P-2LCSect-12.3 P-3LCSect-12.4 P-1LCSect-12.4 P-2LCSect-12.5 P-1LC

Sect-12.5 P-2LCSect-12.6 P-1LCSect-12.6 P-2LCSect-12.7 P-1LCSect-12.7 P-2LCCh-12 P-1PCh-12 P-2PCh-12 P-3PCh-12 P-4PCh-12 P-5PCh-12 P-6PCh-12 P-7PCh-12 P-8PCh-12 P-9PCh-12 P-10PCh-12 P-11PCh-12 P-12PCh-12 P-13PCh-12 P-14PCh-12 P-15PCh-12 P-16PCh-12 P-17PCh-12 P-18PCh-12 P-19PCh-12 P-20PCh-12 P-21PCh-12 P-22PCh-12 P-23PCh-12 P-24P

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