MATH302 I006 Summer 2026 – APEI Week 7 Test with 100% correct answers already graded A+

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- MATH302 I006 Summer 2026 – APEI Week 7 Test
with 100% correct answers already graded A+




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Written Feb 24, 2026 12:03 PM -Feb 24, 2026 1:25 PM • Attempt 1 of 2




Attempt Score - 100 %
Overall Grade (Highest Attempt) - 100 %




Question 1 pts.

The least squares regression line for a data set is yˆ=5+0.3x and the standard
deviation of the residuals is 0.4.

Does a case with the values x = 3.3, y = 7.2 qualify as an outlier?

Cannot be determined with the given information
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No
Ye
s


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Plug in 3.3 for

x. y = 5 +

.3*3.3 y =

5.99

Residual is y-given - y-predicted.

7.2 - 5.99 = -> 1.21 this is the residual value. To see if

it is an outlier take 2 and multiply it by .4 2*.4 = .8.

1.21 is more than .8, Yes it is an outlier.




Question 2 pts.

The least squares regression line for a data set is yˆ=5+0.3x and the standard
deviation of the residuals is 0.52.

Does a case with the values x = -1.59, y = 5.78 qualify as an outlier?

Cannot be determined with the given
information No Yes
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Hide question 2 feedback

Plug in -1.59 for

x. y = 5 + .3*1.59

y = 4.523

Residual is y-given - y-predicted.

5.78 - 4.523 = 1.257 -> this is the residual value.

To see if it is an outlier take 2 and multiply it by

.52 2*.52 = 1.04

1.257 is greater than 1.04, Yes it is an outlier.



Question 3 pts.

The following data represent the weight of a child riding a bike and the rolling
distance achieved after going down a hill without pedaling.

Weight Rolling Distance
(lbs.) (m.)

59 26


83 43


97 49




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56 20


103 65


87 44



APEI
88 48




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