1.A dependent variable is also known as a(n) _____. explanatory variable control

Question

1.A dependent variable is also known as a(n) _____.

explanatory variable

control variable

predictor variable

response variable

2.If xi and yi are positively correlated in the sample then the estimated slope is _____.

less than zero

greater than zero

equal to zero

equal to one

3.If the total sum of squares (SST) in a regression equation is 81, and the residual sum of squares (SSR) is 25, what is the explained sum of squares (SSE)?

Question 5 options:

64

56

32

18

4.If a change in variable x causes a change in variable y, variable x is called the _____.

dependent variable

explained variable

explanatory variable

response variable

Explanation / Answer

1)a dependent variable is called response variable with variation of independent variable.

hence option response variable is correct

2)if x and y are +ve correlated, estimated slope is +ve

hence greater than zero.

3) as SSE =SST-SSR =81-25 =64

4) dependent variable

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