1. A hypothesis test is conducted at the 0.05 level of significance to test whether or not the population correlation is zero. If the sample consists of 29 observations and the correlation coefficient is 0.60, what is the computed value of the test statistic? Round to two decimal places.

		2.37
		1.96
		3.24
		3.90

2. A sales manager for an advertising agency believes there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. A regression analysis shows the following results:

	Coefficients	Standard Error	t-Stat	p-value
Intercept	12.201	6.560	1.860	0.100
Number of contacts	2.195	0.176	12.505	0.000

What is the slope of the linear equation?

		12.505
		12.201
		2.195
		1.860

3.A three-period simple moving average is calculated by _______.

		using a smoothing constant to forecast the three most recent periods
		using the average of the three most recent periods to forecast the next period
		using the actual value from three periods prior to forecast the next period
		using regression analysis in three-period increments to develop an average forecast

4. If a multiple regression analysis is based on 10 independent variables collected from a sample of 138 observations, what is the value of the denominator in the calculation of the multiple standard error of estimate?

		128
		127
		138
		10