Mathematics, 24.02.2020 17:01 iliketurtures
In order to predict with 90% confidence the expected value of y for a given value of x in a simple linear regression problem, a random sample of 10 observations is taken. Which of the following t-table values listed below would be used?
a. 2.228
b. 2.306
c. 1.860
d. 1.812
Answers: 3
![t_{n-2;1-\alpha /2} * \sqrt{Se^2{[1+\frac{1}{n}+\frac{(x_{n+1}-X[bar])^2}{sumX^2-\frac{(sumX)^2}{n} } ]}](/tpl/images/0521/2182/612a8.png)
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