Scatterplots

Question 1

Since y generally as x increases,

Revolt · Accepted Answer

decreases; as: decreases; .: negative correlation

Question 2

x and y have a .

Revolt · Accepted Answer

negative correlation

Question 3

The number of calories is correlated with the amount of vitamin C.

Revolt · Accepted Answer

not

Question 4

Here, again, are the student enrollment data you saw in the warm-up. This scatterplot shows correlation.

Revolt · Accepted Answer

a positive

Question 5

The graph highlights two other points on the trend line. Use them to find another equation for the trend line shown for this scatterplot.

Revolt · Accepted Answer

y = 82x + 998

Question 6

There is a positive linear correlation between the x–value (years since 2000) and y–value (student enrollment).

Revolt · Accepted Answer

very strong

Question 7

Check all statements below that are true regarding the positive correlation.

Revolt · Accepted Answer

The school’s enrollment generally increased.

Scatterplots Answers