1:The Pearson correlation is denoted by r and varies between ---------- and ---------- , with values near ------------- indicating a strong positive relationship, and values near ------------- indicating a strong negative relationship.

2:When using the chi-square statistic in cross-tabulation, the null hypothesis (H0) will be rejected only when the p-value is less than 0.05.

True

False

3:In the case of conducting the t-test on the means of two samples of observations, the samples can be independent or paired.

True

False

4:Complete a, b, c, d, e below for this management issue: Will the new product line in our gift shop result in a 15 percent increase in customer satisfaction? (hint: see ch 12)

1. List the null hypothesis: _________
2. List the alternative hypothesis: _________
3. List the specific type of t-test used for testing the hypothesis: ______
4. This is a (select one): 1-tail test 2-tail test
5. p value is ____
6. Which hypothesis is accepted? (select one): null alternative

Statistics
		Mean	N	Std. Deviation	Std. Error Mean
Pair 1	Satisfaction Before Launch	5.50	10	1.080	.342
	Satisfaction After Launch	7.90	10	.876	.277

__________________Test
		Differences					t	df	Sig.
		Mean	Std. Deviation	Std. Error Mean	95% Confidence Interval of the Difference
					Lower	Upper
Pair 1	Satisfaction Before Launch After Launch	-2.400	.516	.163	-2.769	-2.031	-14.697	9	.000