Pretest

Question 1

Which statement about the scatterplot is true?

Revolt · Accepted Answer

Investing more in research and development initially increases innovation, but more investment yields less return after a certain point.

Question 2

Which statement about the scatterplot is true?

Revolt · Accepted Answer

Increasing office space per employee initially increases satisfaction, but too much space lowers it after a certain point.

Question 3

Graph the scatterplot made from the data.

Revolt · Accepted Answer

point; 7; 10; 14; 18; 21; 22; 28; 20; 35

Question 4

Which statement about the data is true?

Revolt · Accepted Answer

As the number of retention programs increases, turnover rates initially decrease but stabilize after a certain point.

Question 5

Using a regression calculator, which quadratic equation best models the relationship between the number of bug fixes and development time?

Revolt · Accepted Answer

y=0.1464⁢x2−4.782⁢x+71.5

Question 6

Which statement about the scatterplot is true?

Revolt · Accepted Answer

As marketing spending increases, customer acquisition initially rises but begins to show diminishing returns, forming a parabolic curve.

Question 7

Which statement about the scatterplot is true?

Revolt · Accepted Answer

When employees train more, they get more done at first, but this does not increase productivity after a while.

Question 8

Graph the scatterplot made from the data.

Revolt · Accepted Answer

point; 15; 25; 30; 45; 50; 60; 40; 75; 20

Question 9

Graph the scatterplot made from the data.

Revolt · Accepted Answer

point; 2; 4; 5; 10; 8; 12; 11; 14; 3

Question 10

Graph the scatterplot made from the data.

Revolt · Accepted Answer

point; 5; 8; 10; 16; 15; 20; 18; 25

Pretest Answers