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 7 standardized intervals to test for normality. Using a 5% level of significance the critical value for this test is:

a.

11.143.

b.

7.815.

c.

9.348.

d.

9.488. ques 2) The vertical spread of the data points about the regression line is measured by the:

a.

t-ratio.

b.

standard error of the estimate. (CORRECT ANSWER)

c.

y-intercept.

d.

regression coefficient.

e.

homoscedasticity coefficient.