In a simple linear regression task that regresses variable $Y$ on variable $X$ , Excel produces the following table with certain numbers masked by (a)-(j). (a) Reproduce the numbers masked by (a)-(j) using the existing information in the table. (b) What is the regressed equation? (c) Is the model significant at the significance level $? = 0.05$ ? (d) What is the correlation coefficient of $X$ and $Y$ ? (e) For the test $H_{0} : ?_{1} <= 1.5, H_{A} : ?_{1} > 1.5$ , should we reject $H_{0}$ at the significance level $? = 0.05 ?$

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In a simple linear regression task that regresses variable

Y

on variable

X

, Excel produces the following table with certain numbers masked by (a)-(j). (a) Reproduce the numbers masked by (a)-(j) using the existing information in the table. (b) What is the regressed equation? (c) Is the model significant at the significance level

? = 0.05

? (d) What is the correlation coefficient of

X

and

Y

? (e) For the test

H_{0} : ?_{1} <= 1.5, H_{A} : ?_{1} > 1.5

, should we reject

H_{0}

at the significance level

? = 0.05 ?

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