Obtain the required prediction interval. You may presume that the assumptions for regression inferences are met.
123)
^
Find a 95% prediction interval for the value of the response variable at x =4.
x 3 2 4
y 8 4 6 y= 3 + x
123)
A)
–13.941 to 27.941
B)
–35.141 to 49.141
C)
–7.271 to 21.271
D)
45.141 to 51.141
Determine the standard error of the estimate.
124)
The paired data below consists of heights and weights of 6 randomly selected adults. Here, x
denotes height, in meters, and y denotes weight, in kilograms.
x 1.61 1.72 1.78 1.80 1.67 1.88
y54 62 70 84 61 92
124)
A)
15.648
B)
9.7944
C)
6.9205
D)
5.0015
Answer Key
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Testname: C15