Stats

Question 1

Chi-squared

Answer 1

• Test the significance of the difference between observed and expected results
• H0 : no (significant) difference between observed and expected results.
• P is ≤ 0.05, a significant difference between observed and expected result

Question 2

T-test

Answer 2

• Test the significance of the difference between means- H0 : no (significant) difference between 2 means- P is ≤ 0.05, a significant difference between 2 means

Question 3

Correlation coefficient

Answer 3

• Test the significance of the difference between correlation (positive or negative) between two variables. - H0 : no (significant) correlation between 2 variables- P is ≤ 0.05, a significant correlation between variables