8M: 4-5 QC (scatterplots)

1) Which type of correlation does this scatterplot

    show?

positive correlation
negative correlation
no correlation
 Pat's lower grades tend to follow weeks where she studies less.

 Getting higher grades will cause Pat to study less the week before the test.

 Pat will never study more than 4.5 hours.

 Pat's grades are going down.

2. Pat recorded the scores she received on tests compared with the number

     of hours she studied on the week before the tests.

100

 

80
60
40
20
0
1
Study time (Hours)
2
3
4
5

What does the scatterplot

imply about the

relationship between

her test score and the time

she studied before the test?

3) Which type of correlation does this scatterplot

    show?

positive correlation
negative correlation
no correlation

4) Which type of correlation does this scatterplot

    show?

positive correlation
negative correlation
no correlation

5) Which trend line best fits the scatterplot below?

A
C
B
6.  Which description below best describes what     an outlier is to a set of data?
It is always the point (0,0).
A point that is very different from the     other points in the data.
A point that follows the same pattern as    the rest.
A point that is just like all the rest.
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