A researcher wants to examine differences in depression based on location in the

ID: 3156653 • Letter: A

Question

A researcher wants to examine differences in depression based on location in the United States. The researcher collects Beck Depression Inventory Scores (BDI) from individuals in 3 states. Below are the data

Is the depression variable, BDI, normally distributed? Provide evidence to support your answer.

Use SPSS to conduct the appropriate test to determine if the states differ on depression and report the result of the test. Please report and interpret your results below.

According to a Tukey’s Post-hoc comparison, depression differs between which states?

State

Depression

Washington

Texas

North Carolina

State

Depression

Washington

Texas

North Carolina

Explanation / Answer

H0: There is no difference between three treatment means

H1: Atleast one treatment mean is not same

alpha:5%

Test statistic:

F cal=79.649

From Excel

Conclsuion:

P vaue=0.000<0.05 we reject the null hypothesis. hence atleast one treatment mean is not same.

Tukey Test

ANOVA depression Sum of Squares df Mean Square F Sig. Between Groups 13186.844 2 6593.422 79.649 .000 Within Groups 3476.800 42 82.781 Total 16663.644 44

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A researcher wants to examine differences in depression based on location in the

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