Question 14 State University recently randomly sampled ten s

Question 14,

State University recently randomly sampled ten students and analyzed grade point average (GPA) and number of hours worked off-campus per week. The following data were observed:

The correlation between these two variables is approximately -.461

GPA	HOURS
3.14	25
2.75	30
3.68	11
3.22	18
2.45	22
2.80	40
3.00	15
2.23	29
3.14	10
2.90	0

Hence true.

	X	Y	XY	XX	YY
	3.14	25	78.5	9.8596	625
	2.75	30	82.5	7.5625	900
	3.68	11	40.48	13.5424	121
	3.22	18	57.96	10.3684	324
	2.45	22	53.9	6.0025	484
	2.8	40	112	7.84	1600
	3	15	45	9	225
	2.23	29	64.67	4.9729	841
	3.14	10	31.4	9.8596	100
	2.9	0	0	8.41	0

Sum	29.31	200	566.41	87.4179	5220

Question 14, State University recently randomly sampled ten students and analyzed grade point average (GPA) and number of hours worked off-campus per week. The

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