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10) Managers rate employees according to job performance and attitude. The results for several randomly selected employees ar

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Excel > Data > Data Analysis > Regression

SUMMARY OUTPUT
Regression Statistics
Multiple R 0.863246742
R Square 0.745194938
Adjusted R Square 0.713344305
Standard Error 3.442155633
Observations 10
ANOVA
df SS MS F Significance F
Regression 1 277.2125168 277.2125168 23.39655047 0.001293059
Residual 8 94.7874832 11.8484354
Total 9 372
Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Lower 95.0% Upper 95.0%
Intercept 8.566519486 12.12946614 0.706256927 0.500076396 -19.4040796 36.53711857 -19.4040796 36.53711857
Attitude(X) 0.729506623 0.150818051 4.836998084 0.001293059 0.381719574 1.077293672 0.381719574 1.077293672

Regression equation:

Performance(Y) = 8.5665+0.7295* Attitude(X)

Correlation coefficient (r) = 0.8632

Hypothesis:

H0​:ρ=0

HA​:ρ̸​=0

df = n−2 = 10−2 = 8

Let α = 0.05

rc ​= 0.632 (Use r table)

r stat > rc, Reject H0

Therefore, there is a signioficant linear relationship between X and Y variables

There is sufficient evidence to conclude that there is significant relation between employees job performance and attitude

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