Stats 11.1-11.3

Is the following question statistical or non statistical?
How many ceiling tiles are in our classroom?

• Statistical
• Non Statistical

What is the mean?

4, 5, 6, 7, 3, 4, 10, 1

• 7

• 4.5

• 5

• 8

What is the median of this data set?
3 , 17 , 17 , 11 , 8 , 13 , 5 , 18

• 11
• 12
• 13
• 17

What is the interquartile range (IQR)?

• 4
• 64
• 60
• 8

What is the median?

• 62
• 58
• 66
• 60

Describe the shape of the graph.

• Skewed right

• Skewed left

• Random

• Symmetrical

What is the range?

• average
• biggest-smallest
• the middle #
• # happening the most

What is the mode?

• # happening the most
• the average
• biggest - smallest
• the middle #

Does the distribution of data in this histogram look symmetrical

• yes

• no, it is skewed left

• no, it is skewed right

• no, no pattern evident

When the mean is less than the mode this leads to a ...

• skewed left

• skewed right