Probabilities and Statistics Exam 2020/2021

A number that tells how likely an event is to happen.

• probability

• outcome

• event

• simulation

3, 5, 6, 7, 10, 12

Find the median.

• $7$
  

• $6$

• $6.5$
  

• $7.5$

Probability is about how likely (probable) something is to happen

• True

• False

The ratio of the number of favorable outcomes to the number of possible outcomes when all possible outcomes are equally likely

• experiment
• Fundamental Counting Principle
• experimental probability
• theoretical probability

What is the mean?

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

• 7

• 4.5

• 5

• 8

Find the mode:

3.8, 4.2, 4.0, 4.2, 4.2

• 4.2

• 3.8

• 4.0

• 4

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 value is the lower quartile?

• 66
• 58
• 60
• 64

What is the median?

• 62
• 58
• 66
• 60