In Order to Predict with 90% Confidence the Expected Value

question 14

Multiple Choice

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)1.812
• B)1.860
• C)2.228
• D)2.306

---

Definitions:

Level Of Significance

The probability of rejecting the null hypothesis when it is actually true, often denoted by alpha (α).

Null Hypothesis

A default hypothesis that there is no significant difference or effect, tested against the alternative hypothesis.

Critical Value

A point on the scale of the test statistic beyond which we reject the null hypothesis; it depends on the chosen level of significance.