2,4,5,6,9,10,11 TRUE/FALSE 1. df REPRESENTS THE DEGREES OF FREEDOM 2.. THE F-VAL

Question

2,4,5,6,9,10,11

TRUE/FALSE 1. df REPRESENTS THE DEGREES OF FREEDOM 2.. THE F-VALUE IS THE TEST STATISTIC FOR CORRELATION ANALYSIS 3. HYPOTHESES TESTS ARE USED FOR ONLY T-TESTS OF SIGNIFICANCE 4. BOXPLOTS ARE USED TO DISPLAY REGRESSION GRAPH RESULTS 5, PREDICTOR EQUATIONS ARE PRODUCED BY REGRESSION ANALYSIS 6. CHI-SQUARE ANALYSIS USES NOMINAL AND/OR ORDINAL DATA F 7. CORRELATIONS CAN BE FOUND FOR ALL TYPES OF DATA 1-8. TO BE SIGNIFICANT THE p-value MUSTBE TYPICALLY LESSTHAN 0.05 9. ERROR BAR GRAPHS CAN BE USED FOR t-tests 10. t-tests can be USED TO COMPARE 2 OR MORE MEANS 11. THE ALTERNATIVE HYPOTHESIS PREVAILS IF THERE IS SIGNIFICANCE

Explanation / Answer

2;

The F test statistics is used to compare the population variances.

Hence, it is false.

4:

Boxplots are used to five numebr summary.

Hence, it is false.

5;

Yes regression analysis is used to develop model to predict the dependent variable.

Hence, it is true.

6:

Chi square stataitics used categorigal data, not necessarily ordinal data.

Hence, it is false.

9:

Yes it is true.

10:

t tests is used two compare two means. For comparing more than 2 means we need to use ANOVA.

Hence, it is false.

11:

Yes it is true.

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