MAT540 Statistical Concepts for Research (5 hrs to complete / Link all answers to a webpage . . . If unable to find an answer, let me know...no guessing please!Statistics Quiz 1) ANOVA (Analys

MAT540 Statistical Concepts for Research (5 hrs to complete / Link all answers to a webpage . . .

        If unable to find an answer, let me know...no guessing please!

Statistics Quiz

1) ANOVA (Analysis of Variance) tests for variance differences

a) within the samples.

b) within the populations.

c) by examining mean differences.

d) ANOVA does not test for variance differences.

2) In calculating which means differ, each pair of means needs a unique range.

a) True

b) False

3) Comparing male and female salaries for mean equality requires the

a) T-test

b) F-test

c) Paired T-test

d) None of the above

4) A significance of F value equaling 3.5E-03 means

a) an error occurred in calculating the p-value.

b) the p-value is larger than 0.05

c) the p-value equals 3.5

d) the p-value equals 0.0035

5) The Chi Square test requires data that is at least _____ in nature.

a) nominal

b) ordinal

c) interval

d) ratio

6)Excel Chi Square functions (test, related probabilities, etc.) are found in the

a) Analysis Toolpak list of functions.

b) Fx statistical list.

c) Formulas Other Functions list

d) all of the above

e) b and c only

7) The alternate hypothesis for the single factor ANOVA states that all means differ.

a) True

b) False

8) The single factor ANOVA mean difference calculation involves

a) paired mean differences.

b) a t-value.

c) a variation estimate.

d) all of the above

9) The single factor ANOVA tests for mean differences between 3 or more groups by comparing

a) Each population’s variance.

b) Each sample’s variance.

c) Overall versus average sample variance.

d) Overall versus average population variance.

10) Rejection of the null hypothesis in a single factor ANOVA test means

a) All means are equal.

b) All means are different.

c) At least 1 mean differs.

d) Most, but not necessarily all, means differ.