8th U6 L4 - Fitting a Line to Data

A good line to predict the pattern of a scatter plot...

• connects all the data points.

• is in the middle of the points and follows pattern.

• connects the first and last data point.

• is above all of the data points.

Which is NOT a good trend line?

• A

• B

• C

• D

Which point was the trend line a GOOD estimate for?

Which point was the trend line a BAD estimate for?

After playing the video game for 25 minutes what is the ACTUAL number of levels the person passed?

• 10

• 11

• 12

• 25

After playing the video game for 25 minutes what is the PREDICTED number of levels the person passed?

• 10

• 11.5

• 13

• 8

What is an outlier?

• A book by S. E. Hinton

• A point on a trend line

• A person who sleeps outside

• A point that is far from the other points

What point is an outlier ?

• A

• B

• D

• G

For 8 chapters, what is the PREDICTION of number of pages?

• 90

• 80

• 95

• 60

For 8 chapters, what was the ACTUAL number of pages?

• 60

• 80

• 95

• 100