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Mathematics

Statistics

Easy

Question

The owner of horizon flight school created a scatter plot and calculated trend line for the data in table. The trend line equation is y = 1.44x + 877. Find the residuals for 6^th year.

Year (x)
0
1
2
3
4
5
6
7

Students
832
872
905
928
903
887
863
867

23
-23
33
-33

The correct answer is: -23

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