1. The following linear trend equation was developed for annual sales (in thousand $) from 2015 to 2019, with 2015 as the base year: Sales = 630 + 60(time period). What are the estimated sales for 2020 (in thousand $)?

		$1,230
		$990
		$630
		$1,170

2. The following linear trend equation was developed for the annual sales (in thousand $) of the Jordan Manufacturing Company. Sales = 690 + 79(time period). At what rate are sales increasing?

		$79 per month
		$7,900 per year
		$690,000 per year
		$79,000 per year

3. The regression equation is = 29.29 0.94X, the sample size is 8, and the standard error of the slope is 0.22. What is the test statistic to test the significance of the slope?

		z = +4.273
		t = 4.273
		t = 0.940
		z = 4.273

4.What is the range of values for a coefficient of correlation?

		0 to +1.0
		1.0 to +1.0 inclusive
		3 to +3 inclusive
		Unlimited range