Business Stats Exam #4

When working with two populations, one can use t-tests to analyze the data set.

• True
• False

One of the ANOVA assumptions is that observations must be interdependent.

• True
• False

Tags

CCSS.HSS.ID.B.6B

One can use an ANOVA to examine the difference between three or more groups/treatments.

• True
• False

The within-group variance means that we are looking at the variance across the total amount of groups/treatments.

• True
• False

Tags

CCSS.HSS.ID.B.6B

In ANOVA, when the null hypothesis is true all populations have the same mean.

• True
• False

The following hypothesis would best be analyzed using:

H1ₐ: There are differences in sales in Store A, Store B, and Store C.

• Simple Linear Regression

• Multiple Regression

• ANOVA

• None of the Above.

If the MSA is 100 and the MSW is 10, then what is the F test statistic?

• 8
• 10
• 12
• 14

If we reject the null hypothesis using an ANOVA, then we have support for the alternative hypothesis.

• True
• False

The c in (c-1) represents the number of treatments, or groups. 

• True
• False

Tags

CCSS.HSS.ID.A.4

The dependent variable (DV) is the slope of the simple linear regression equation.

• True
• False

Tags

CCSS.HSF-IF.C.7A