Let's focus on the relationship between the average debt in dollars at graduation (AveDebt) and the...

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Basic Math

Let's focus on the relationship between the average debt indollars at graduation (AveDebt) and the in-state cost per yearafter need-based aid (InCostAid).
a) Does a linear relationship between InCost Aid and AveDebtseem reasonable? Explain.
b) Are there any unusual cases in this sample? If yes, statewhich ones they are and how they may be affecting the least-squaresmodel fit.
InCostAid AveDebt
10359 20708
6541 17468
10433 21263
9821 19530
13323 25300
12103 26472
11806 23562
16265 32362
14699 20790
14465 20504
16306 9949
10854 28508
15466 24624
14389 25821
12271 24111
12778 17893
11421 17617
4735 23964
16461 28999
10669 22541
15089 23729
13251 23726
14758 25729
14466 26946
17093 33944

Answer & Explanation Solved by verified expert

3.5 Ratings (602 Votes)

aOur first job is to draw a scatterplot using the dataAs the scaterplot shows there might be a weak linearrelationship between the two observed variablesTo get a better idea we calculate See Answer

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InCostAid	AveDebt
10359	20708
6541	17468
10433	21263
9821	19530
13323	25300
12103	26472
11806	23562
16265	32362
14699	20790
14465	20504
16306	9949
10854	28508
15466	24624
14389	25821
12271	24111
12778	17893
11421	17617
4735	23964
16461	28999
10669	22541
15089	23729
13251	23726
14758	25729
14466	26946
17093	33944