Statistics Part 1 Review

Middle school students are chosen at random to determine the average shoe size of middle school students.

• Representative Sample

• Biased Sample

The gatekeeper at the football game asks the first 50 people who come through the gate what their favorite sport is.

• Representative Sample

• Biased Sample

A data set can have more than one mode

• True
• False

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

Lizzy had test scores of:   72, 94, 108, 60
What is the RANGE of her test scores?

• 12
• 72
• 48
• 98

Find the median from the list of numbers:

60, 58, 52, 48, 60, 67

• 58

• 59

• 60

• 118

Find the mean of these numbers:
5,11,2,12,4,2

• 4.1
• 6
• 4.5
• 4

Find the mean of these numbers:
4,2,5,6,3

• 2
• 5
• 4
• 6

Find the median of these numbers:
4,2,7,4,3

• 2
• 5
• 7
• 4

In order to find the median, the data must be sorted from least to greatest first.

• True
• False