Data Analysis

The mean is

• The middle score

•  Total & divided by number of scores

• The most frequent score

• The middle when in order

The median is

• The middle score

•  Scores added & divided by the number of scores

• The most frequent score

• The middle when in order

The mode is

• The middle score

•  Scores added & divided by the number of scores

• The most frequent score

• The middle when in order

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number

• Add the two numbers in the middle & then divide by two.

• They are both the median

• None of the above

6. Which city has a higher median?

• Millersburg

• Arcadia

8. Which city has a minimum value that is lower?

• Millersburg

• Arcandia

List the 5 number summary.

• 20, 40, 60, 80, 10

• 10, 20, 30, 40, 50

• 15, 25, 40, 50, 80

• 10, 40, 60, 70, 80

Using the top box and whisker plot, what percent is between 70 and 90 on the number line?

• 25%

• 50%

• 75%

• 100%

Using the top box and whisker plot, what percent is between 70 and 90 on the number line?

• 25%

• 50%

• 75%

• 100%

Are these dot plots symmetric?

• Yes

• No