Question 16

Parametric tests can be used with any type of data as the dependent variable (i.e., nominal, ordinal, interval, etc.).

a) True

b) False

Question 17

Non-parametric tests do not require that variables be normally distributed.

a) True

b) False

Question 18

Chi square test for independence compares observed frequencies with:

a) Expected frequencies

b) Standard deviations

c) Standard errors

d) Phi coefficient

Question 19

A researcher wants to determine if blocked heparin lock (yes or no) is related to the occurrence of subsequent complications (yes or no). The Chi-Square null hypothesis for this study is that a blocked heparin lock leads to complications.

a)True

b)False

Question 20

This is used when the expected cell frequency in a 2X2 table is less than 5.

a) Fisher's exact test

b) Cramer's V

c) Yates' correction

d) Regression