QUESTION 3 points Save Answer Match each scenario with the appropriate inferenti

Question

QUESTION 3 points Save Answer Match each scenario with the appropriate inferential technique We want to determine if the scores on a citizenship A. Matched Pairs Test test are significantly greater for potential immigrants than their pretest scores after completing a civics course. B Difference of Two Means Test C.ANOVA We want to determine if the average number of hours that male and female students spend studying on the weekends are significantly different. We want to determine if the average length of songs in three different genres (rock, pop, and country) are significantly different. QUESTION 2 1 points Save Answer In ANOVA, large within group variation and small between variation is an indication that there is a significant difference between at least two population means, True False QUESTION 3 1 points Save Answer The widths of the confidence intervals generated by Fisher's LSD method will be the same width if the sample sizes from all of th e groups are the same True False

Explanation / Answer

Question 1:

First:

Here we have paired observations (pre test scores and post test scores). Hence, matched paired test will be used.

Correct option A.

Second:

We want to test difference between two indepedent populations means so independent sample test for difference in means will be used.

Correct option B.

Third:

Here we want to compare more than 2 means so ANOVA wil lbe used.

Correct option C.

-------------------------------------------

If within variation is large and between variation is small then F test statistics will be small. That is we wil fail to reject the null hypothesis. So difference between groups is not significant.

It is false.

-----------------------

Question 3:

true

Related Questions

Navigate

• Browse (All)
• Browse Q
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.