Unit C quiz

Question 1

the ___ goes on the X axis and the ___ goes on the Y axis

Accepted Answer

X- explanatory Y-response

Question 2

The variable about which a researcher is asking a specififc question

Accepted Answer

Response Variable

Question 3

Does every pair of variables have a response/explanatory relationship?

Accepted Answer

No; a change in one variable won't always have to do with the other

Question 4

Shows the reidual on the y-axis and the explanatory on the x

Accepted Answer

Residual Plot

Question 5

Give an example of a relationship with a response and an explanatory variable

Accepted Answer

Inches of rain in a growing season and amount of crops grown

Question 6

What 4 characteristics do you use to describe a scatterplot

Accepted Answer

Strength, Form, Direction, Outliers

Question 7

A factor that has been manipulated in an experiment by a researcher

Accepted Answer

Explanatory Variable

Question 8

How do you incorporate qualitative variables into scatterplots?

Accepted Answer

Use different colors

Question 9

A decrease of points on a graph

Accepted Answer

Negative association

Question 10

When are reiduals positive?

Accepted Answer

y > ȳ

Question 11

When are reiduals negative?

Accepted Answer

y < ȳ

Question 12

An increase of of the points on graph

Accepted Answer

Positive association

Question 13

Used to observe relationships between variables

Accepted Answer

Scatterplot

Question 14

When are reiduals zero?

Accepted Answer

y = ȳ

Question 15

A data point that differs significantly from other observations

Accepted Answer

Outlier

Questions 15