Measures of Center
Measures of Spread
Normal Distribution
Box Plots
Histograms/Bar Graphs
Challenge Questions
100

What is the mean of the set     {21, 22, 23, 24, 25, 26, 27}

24

100

What is the range of the data set {51, 52, 68, 70, 88}

27

100

In a standard normal distribution, what percentage of data falls within 1 standard deviation of the mean?

68%

100

What are the names of the 5 numbers that make up the 5-number summary. 

Min, Q1, Med, Q3, Max

100

What is the total number of pets owned?


34

100

What is the area of a triangle with a base of 12 and height of 12?

72.

200

What is the median of the set        {33, 31, 29, 22, 18, 30, 17, 30, 21}

29

200

What is the standard deviation of the set {22, 25, 27, 30, 36}?

4.8

200

In a normal distribution, what percentage of the data falls within 2 standard deviations of the mean?

95%

200

What is Q1 in the box plot below?


33

200

What is the modal group of the data shown?


Cats

200

What is the result of multiplying the reciprocal of  \frac{1}{4} by the reciprocal of  \frac{1}{8} ?

32

300

Use the box plot to find the median books read. 

     

5

300

What is the range of the data?


8

300

The average number skittles in a bag is 54 with a standard deviation of 1.5. If the distribution of skittles is approximately normal, what percentage of bags have between 54 and 57 skittles?

47.5%.

300

Which box plot has the lowest priced item?


Store 1

300

In which range of values does the median fall?

50-60.

300

What is the radius of a circle who has a diameter of  12\pi ? 

6

400

List in order from least to greatest, the mean, median and mode. 

       

Mode, media, mean. 

400

List the graphs from lowest standard deviation to highest standard deviation.

   

Yellow, blue, red

400

The average number skittles in a bag is 54 with a standard deviation of 1.5. If the distribution of skittles is approximately normal, what percentage of bags have less than 51 skittles?

2.5%

400

Identify the skewness of the box plot.


Skewed Right. 

400

In which range of values does Q1 fall?


30-40

400

In the diagram,  QRS  is a straight line. What is the measure of  \angle RPS  in degrees?   

27

500

The mean score on 10 tests taken this spring was a 90. If I removed a score of 60, what is the is the new mean? Round your answer to the nearest tenth.  

93.3

500

Which method of teaching led to the highest IQR?

   

Method 3

500

The average number skittles in a bag is 54 with a standard deviation of 1.5. If the distribution of skittles is approximately normal, what percentage of bags have more than 52.5 skittles?

84%

500

Which box plot below has the highest standard deviation? 

USA

500

Describe the shape of distribution.


Skewed left.

500

Evaluate  \log_6 2+log_6 18 

2

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