Review for your quiz: Standard Deviation, Venn Diagrams, Frequency Tables

Review for your quiz: Standard Deviation, Venn Diagrams, Frequency Tables

by Matthew Lopez

​This is a review for your quiz tomorrow

​You will have a 10 question quiz tomorrow, this is a review to help you do your best for it.

​The main topics are:

• ​Standard Deviation

• ​Venn Diagrams and Probability

• ​Frequency Tables (or Two way Tables as they are some times called)

​

​Take notes on these slides and try the questions multiple times to ensure you understand the concepts.

Notes video on Standard Deviation

​Take notes on the example problem and review from the video to the right.

Multiple Choice

Which interval shows 95% of the data given a mean of 15 and a standard deviation of 3? 

• 9 to 21
• 12 to 18
• 6 to 24
• 13 to 16

Multiple Choice

At a local high school, GPA's are normally distributed with a mean of 2.9 and standard deviation of 0.6. What is the GPA of the highest 2.5% of the students?

• 4.1 
• 4.1 or higher
• 4.7
• 4.5 or higher

Multiple Choice

The mean life of a tire is 30,000 km. The standard deviation is 2000 km.

Then, 68% of all tires will have a life between ___________ km and __________ km.

•  28,000 km and 32,000 km.
• 24,000 km and 34,000 km.
• 26,000 km and 34,000 km.
• 27,000 km and 31,000 km.

Multiple Choice

The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days.

About what percent of the products last between 12 and 15 days?

• 68%
• 34%
• 16%
• 2.5%

​Take notes on Venn Diagrams and probability

​​Take notes on the example problem and review from the video to the right.

Multiple Choice

How many senior boys play football but do not wrestle?

• 26

• 8

• 104

• 16

Multiple Choice

How many students do not snowboard?

• 21

• 22

• 28

• 29

Multiple Choice

How many students like both Soccer and Hockey but not Golf ?

• 12

• 41

• 43

• 10

Multiple Choice

What statement does the shaded region represent?

• A and B and C
• A or B and C
• B and C
• A or C

Multiple Choice

What statement does the shaded region represent?

• A or B
• Not B
• Not A
• Not A or B

​Frequency Tables

​​​Take notes on the example problem and review from the video to the right.

Multiple Choice

How many baseball teams scored 0 runs per inning?

• 4

• 3

• 2

• 1

Multiple Choice

What is the median for this data set? Remember to list all of the data in order from least to greatest. Then find the median which is the middle number in this ranked set of data.

• 4

• 3

• 1

• 0

Multiple Choice

What percentage of males drive sports cars?

• 35%
• 16.25%
• 65%
• 25%

Multiple Choice

What percentage of SUV's are driven by women?

• 56.25%
• 75%
• 83.25%
• 86.5%