Question: : Regression, multiple regression, one-sided t-test, or two-sided t-test. All conclusions should be based on 5% P -value threshold. Choose the best fitting answer. Open

: Regression, multiple regression, one-sided t-test, or two-sided t-test. All conclusions should be based on 5%P-value threshold.

Choose the best fitting answer.

OpenBrainsdata.SETUP:Some people believe that second born subjects are more intelligent (higher IQ test). Given the data, your job is to perform the appropriate statistical test or procedure and help them decide.

1. What test did you perform?

a. Regression

b. Multiple regression

c. One-sided t-test

d. Two-sided t-test

2. What is theP-value?

a. 0.845379076

b. 0.422689538

c. 1.93055E-18

d. 9.65275E-19

e. None of these

3. What is the Statistical interpretation?

a. SinceP-value is very small we can conclude that second born subjects have higher IQ.

b. SinceP-value is too large we cannot conclude that second born subjects have different IQ.

c. SinceP-value is too large we cannot conclude that second born subjects have higher IQ.

d. None of these.

4. What is the conclusion?

a. Test is inconclusive; thus nothing can be concluded

b. Test is inconclusive; thus we cannot claim that the IQ's are different.

c. Test is inconclusive; thus we cannot claim that there is a correlation between IQ's and the order the subjects were born.

d. None of these.

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