## Description

### Unformatted Attachment Preview

Purchase answer to see full attachment

## Explanation & Answer

View attached explanation and answer. Let me know if you have any questions.

ST3004 COMPETENCY ASSESSMENT TEMPLATE

The following table summarizes the different hypothesis test distributions and when each is used. Use this table when completing this

Assessment.

Test

Z Test

t Test

Chi Square

ANOVA

Which Statistical Test Do I Use?

Requirement

Normal distribution

Population mean known

Population standard deviation known

Sample size is greater than 30 if not normal

Quantitative variables

Normal distribution

Population mean known

Population standard deviation unknown

Sample size is a) nearly normal with sample less than

15; b) at least 15 with no outliers; c) greater than 30

even if skewed or not normal

Quantitative variables

Variables are qualitative

Testing if observed results agree with claimed

(Goodness of Fit Unequal Frequencies)

Testi...