Question

1. Is there a significant relationship between Sales and Promotion? Defend you answer

Correlations
		Sales	Promotion
Sales	Pearson Correlation	1	.535**
	Sig. (2-tailed)		0.001
	N	34	34
Promotion	Pearson Correlation	.535**	1
	Sig. (2-tailed)	0.001
	N	34	34
**. Correlation is significant at the 0.01 level (2-tailed).

Answer 1

Let denotes the correlation between  Sales and Promotion.

We have to test the significance of correlation.

We will use t-test

t follows n-2 = 32 degrees of freedom. By the table, we have the p-value is .001114.
The result is significant at p < .01. Therefore, we reject the null hypothesis. There is significant correlation between  Sales and Promotion.