PARAMETRIC TESTS

Question 1

 used to determine whether two population means are different when the variances are known and the sample size is large

Answer 1

Z TEST

Question 2

 used to determine whether the mean of a single sample is significantly different from a known or hypothesized population mean

Answer 2

ONE GROUP T TEST

Question 3

 used to determine whether the mean difference between two sets of observations is zero

Answer 3

PAIRED STUDENT T TEST

Question 4

 used to test whether the unknown population means of two groups are equal or not

Answer 4

TWO GROUP STUDENT T TEST

Question 5

used to determine whether there are any statistically significant differences between the means

 used for analyzing repeated measures of binary data, testing if proportions differ across multiple groups

Answer 5

ONE WAY ANOVA

Question 6

 compares the variances of two or more groups using ranks of squared deviations from group medians

Answer 6

SQUARED RANK TEST FOR VARIANCES

Question 7

 measures the strength and direction of a monotonic relationship between two variables based on rank order, not assuming linearity

Answer 7

SPEARMAN’S RANK CORRELATION COEFFICIENT TEST

Question 8

 used to estimate how the mean of a quantitative variable changes according to the levels of two categorical variables

Answer 8

TWO WAY ANOVA