1. What are the minimum dimensions needed to run a Chi-Square test?

Group of answer choices

2x2

2x4

3x2

1x1

2. Researchers collected data about home businesses to determine how they shipped the items they sold. Company A shipped 40/67 packages via UPS and the other 27 packages with USPS. Company B shipped 40/119 packages via UPS and the other 79 packages via USPS. Based on this sample data, are the variables Company and Shipping service more likely to be independent or dependent?

Group of answer choices

Independent

Dependent

3. Researchers collected data about seatbelt use among men and women. In the sample, 32 out of 40 men wore their seatbelt frequently, and 48 out of 60 women wore their seatbelt frequently. Based on this sample data, are gender and seatbelt-wearing more likely to be independent or dependent?

Group of answer choices

Independent

Dependent

4. If observations are independent, that means that one observation has influenced another.

Group of answer choices

True

False

5. If any assumptions fail, we should

Group of answer choices

Run the test anyway

Run an ANOVA instead

Run a t-test instead

Don't run the test/Be upfront that inference should not be trusted

6. When working with a Chi-Squared test, we need data to be Normally distributed

Group of answer choices

True

False

7. What is the minimum expected count that can be had in any cell for a 2x2 table?

Group of answer choices

0

1

5

10