Author Question: A chi-square goodness-of-fit test is always conducted as: a. a left-tail test. b. a right-tail ... (Read 143 times)

lb_gilbert · **on:** Jun 24, 2018

A chi-square goodness-of-fit test is always conducted as:
a. a left-tail test.
b. a right-tail test.
c. a two-tail test.
d. the answer depends of whether the hypothesis is directional or nondirectional.

Question 2

In a goodness-of-fit test, the null hypothesis states that the data came from a normally distributed population. The researcher estimated the population mean and population standard deviation from a sample of 500 observations. In addition, the researcher used 6 standardized intervals to test for normality. Using a 5 level of significance, the critical value for this test is:
a. 11.143.
b. 9.348.
c. 7.815.
d. 9.488.