Analyzing Data When Value Is Added

What is the MODE of this data?

• 100

• 20

• 80, 85, and 90

• none

Name the correlation in this graph

• Positive correlation

• Negative correlation

• No correlation

• Lots of correlation

Which plot has a larger interquartile range?

• Top plot

• Bottom plot

What is the difference between the medians for the two data sets? 

• 0 tickets

• 2 tickets

• 4 tickets

• 6 tickets

• A.

• B.

• C.

• D.

What percent of students have less than 1,000 songs on their MP3 players?

• 15%

• 80%

• 20%

• 45%

Gabriella’s quiz grades are shown below.
88, 92, 92, 96, 98
Gabriella scored a 20 on her sixth quiz. What effect does this score have?

• The low score causes the median to increase.

• The low score causes the median to decrease.

• The low score causes the mean to increase.

• The low score causes the mean to decrease.

Which city has a higher median?

• Millersburg

• Arcadia

How many students scored between a 86 and a 90?

• 1

• 3

• 6

• 10

What percentage of students scored a 39 or higher?

• None

• 25%

• 50%

• 75%