Essay
In a multiple regression based on 30 observations,the following information is provided: with
.Also,
evaluated at
and
is 2.8.
A)Construct a 95% confidence interval for if x1 equals 40 and x2 equals 30.
B)Construct a 95% prediction interval for y if x1 equals 40 and x2 equals 30.
C)Which interval is narrower? Explain.
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b.
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Correct Answer:
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b.
c.The confidence int...
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