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In Order to Predict with 80% Confidence the Expected Value

Question 119

Multiple Choice

In order to predict with 80% confidence the expected value of y for a given value of x in a simple linear regression , a random sample of 15 observations is taken. Which of the following t-table values would be used?


A) 1.350
B) 1.771
C) 2.160
D) 2.650

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