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.
What test did you perform?

a. Regression
b. Multiple regression
c. One-sided t-test
d. Two-sided t-test

C

Step-by-step explanation:

When to use regression test?

When to use Multiple regression test?

When to use 1-sided t-test?

When to use 2-sided t-test?

Now, Options A and B are not right since we aren't comparing 2 variables here. People believe second born subjects are more intelligent. We have to perform a test to see whether this is true or not. One sided answer. So, we will use One-sided t-test.

answer: a. 74

step-by-step explanation:

it shows divided evenly, so add the 37+37 = 74

i believe the answer is d.

hope it you! : d