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. 11.1433
b. 9.3484
c. 7.8147
d. 9.4877
Q. 2Carl is paid an hourly rate of 12.65. What is his weekly gross pay if he works 25 hours per week?
Q. 3The number of degrees of freedom in a chi-squared test for normality, where the number of standardized intervals is 5 and there are 2 population parameters to be estimated from the data, is equal to:
a. 5
b. 4
c. 3
d. 2
Q. 4Employees whose rate of commission increases as their sales increase are paid a(n) _________________________.
Fill in the blank(s) with correct word
Q. 5The number of degrees of freedom in testing for normality is the:
a. number of intervals used to test the hypothesis minus one.
b. number of parameters estimated minus one.
c. number of intervals used to test the hypothesis minus one minus the number of parameters estimated.
d. None of these choices.
Q. 6The amount of money an employee is paid each hour is called a(n) ____________________.
Fill in the blank(s) with correct word
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