1. A p-value tells you the likelihood of obtaining a statistic when the null hypothesis is false.

Group of answer choices

True

False

2. Explain why Question 1 above is true or false

3. A scatterplot is the best way to show the mode of a categorical measure

Group of answer choices

True

False

4. Explain why Question 3 above is true or false

5. An observational study with a convenience sample provides the strongest evidence that a predictor causes an outcome.

Group of answer choices

True

False

6. Explain why Question 5 above is true or false

Which one of the following is NOT a true statement?

Group of answer choices

We expect to find the true mean within the confidence interval.

If the Chi-Square statistic is smaller than the critical value, it is statistically significant.

Effect sizes pertain to the magnitude, or meaningful difference, in observed results and it does not pertain not statistical significance.

7. Twenty-five people have their cholesterol measured before eating a Big Mac from McDonalds and again an hour after eating a Big Mac. Cholesterol is measured as a numeric value. On average, does eating a Big Mac increase cholesterol?

In order to answer this question, which statistical test will you use?

Group of answer choices

Independent two sample t-test

Paired one sample t-test

Paired two sample t-test

Chi-Square Goodness of Fit