###
Fill the blank spaces to complete the text.

##

Statistical tests are needed to tell us whether there is enough evidence to accept or reject the alternative . The p-value is nearly always .

Mann Whitney, Wilcoxon and are used in tests of difference. is used in tests of association or correlation.

Mann Whitney is used when the data is and when the experimental design is .

is used when the data is ordinal and when the experimental design is a repeated measures or .

Chi Squared is used when the data is and the experimental design is an design.

Spearman's Rank is used when the data is and the test is of