Investigating Data

The number of students in a classroom is an example of what type of data? (more than one correct answer)

• Numerical data

• Categorical data

• Discrete data

• Continuous data

What is the range?

• The sum of the largest and smallest number

• The number in the middle

• The difference between the largest and smallest number

• The number that appears most often

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode...

12,10,10,10,13,12,11,13,10

• 13

• 12

• 11

• 10

A value that is much higher or much lower than the other values in a set of data.

• Outlier
• Box Plot
• Range
• Histogram

Find the mean:
28, 18, 19, 18, 17

• 20
• 18
• 11
• 19

Find the median:
5, 6, 3, 9, 0, 4, 1, 2, 7

• 4
• 4.1
• 5
• 4.5

If this is the graph of data normally distributed with a mean of 30 and a standard deviation of 5, what label (number) is written at the blue circle?

• 20

• 15

• 40

• 30

If this is the graph of data normally distributed with a mean of 30 and a standard deviation of 5, what label (number) is written at the blue circle?

• 20

• 15

• 40

• 30

This data is normally distributed. What percent of the data is in the shaded region?

• 68%

• 32%

• 16%

• 50%

35 is

• mean

• variance

• standard deviation

• 1st quartile