In each question, answer TRUE or FALSE. I

(a) If a distribution is symmetric around its mean, it has a positive skewness coefficient.

(b) The two-sample proportion test can be used even if the two samples have different sizes.

(c) In linear regression, correlation coefficient is the slope of the regression line.

(d) Confidence level indicates how much confidence you have in the model assumptions.

(e) A normal distribution is symmetric around its mean, but there are also other distributions that are symmetric.

(f) Bonferroni correction is a method for using linear regression with nonlinear data.

(g) The chi-squared ( 2 ) distribution is skewed to the right.

(h) In hypothesis testing, the null hypothesis is rejected when getting a p-value smaller than the significance level.