Lesson 2

Self-Check 1

 

Use graphing technology (real or virtual) to determine the mean and standard deviation of the following sets of data. (You must round your standard deviation to the nearest hundredth.)

1. 25, 30, 33, 19, 17, 42 Answer
   
   
2. The following data table shows the number of goals per game for a hockey player.
   
   
    

   Number of Goals	Frequency
   0	40
   1	14
   2	10
   3	5

   
   
   

   Answer

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If you haven’t done so already, now would be a good time to go back and compare your results from Share 1 in Lesson 1 to the calculations and histograms that were presented for the statistics quiz data in this lesson. Have you learned anything in this lesson that you would have added to your strategy for organizing and summarizing the data?

 

For more possible strategies that students may have used to organize and summarize the data from
Mr. Kong’s quiz results, read the following:

• Example Solution 1
• Example Solution 2
• Example Solution 3
• Example Solution 4
• Example Solution 5
• Example Solution 6