Question

exper	score	salary
4	78	24
7	100	43
1	86	23.7
5	82	34.3
8	86	35.8
10	84	38
0	75	22.2
1	80	23.1
6	83	30
6	91	33
9	88	38
2	73	26.6
10	75	36.2

1-R2=

2-F test statistic=

3.b2=

4-P-value for F test=

Answer 1

Output using excel:

Data > Data analysis > Regression

SUMMARY OUTPUT
Regression Statistics
Multiple R	0.935318
R Square	0.874819
Adjusted R Square	0.849783
Standard Error	2.665625
Observations	13
ANOVA
	df	SS	MS	F	Significance F
Regression	2	496.5675	248.2837	34.94219	3.07E-05
Residual	10	71.05558	7.105558
Total	12	567.6231
	Coefficients	Standard Error	t Stat	P-value	Lower 95%	Upper 95%	Lower 95.0%	Upper 95.0%
Intercept	-4.15742	8.895252	-0.46737	0.65025	-23.9773	15.66244	-23.9773	15.66244
exper	1.46519	0.235336	6.22596	9.81E-05	0.94083	1.989551	0.94083	1.989551
score	0.33381	0.111003	3.007215	0.01318	0.08648	0.58114	0.08648	0.58114

1. R2 = R Square = 0.8748

2. F test statistic = 34.9422

3. b2 = slope for score = 0.3338

4. P-value for F test = 0.000031

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