This question has several parts that must be completed sequentially. If you skip a part of...

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This question has several parts that must be completedsequentially. If you skip a part of the question, you will notreceive any points for the skipped part, and you will not be ableto come back to the skipped part.
Test the null hypothesis that the slope is zero versus thetwo-sided alternative in each of the following settings usingthe ? = 0.05 significance level.
(a)n = 20, ? = 24.5 +1.6x, andSE_b₁ = 0.75
(b)n = 30, ? = 30.1 +2.7x, andSE_b₁ = 1.35
(c)n = 100, ? = 29.4 +2.7x, andSE_b₁ = 1.35

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a n 20 SEb1 075and regression equation is 245 16xWhere 245 is y intercept and 16 is estimate of slope b1Hypothesis Two tailed test Where is slopeTeststatistic Test statistic t follows student t distribution with df n 2PvaluePvalue for this two tailed test is Using Excel function TDIST t df tails df n 2 20 2 18 tails 2So Pvalue TDIST 21333 18 2 00469Pvalue See Answer

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