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Statistics

 

 

 

 

 

 

 

Name:  _____________________________________                    Study Guide—Encore Math

Multiple Choice test on Thursday.  Open Response on Friday.

Learning Target:  I can determine if a question is a statistical question.

What is a statistical question?  _______________________________________________________________________

Write two examples of statistical questions:

  1. ___________________________________________________________________________________________

  2. ___________________________________________________________________________________________

Learning Target:  I can display numerical data in a dot plot, and summarize the data by using measures of the center.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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How many hot dogs can contestants eat in one hour?

 

 

How do you use a dot plot to find the median?  __________________________________________________________

  • Find the median number of hot dogs contestants can eat in one hour.________________

How can you figure out how many people were surveyed?  _________________________________________________

  • How many people were surveyed?________________

How can you figure out how many people ate 9 or more hot dogs?  ___________________________________________

  • How many people ate 9 or more hot dogs?________________

How can you figure out the range?  _____________________

  • What is the range?________________

 

 

 

Learning Target:  I can display numerical data in a box plot, and summarize the data by using measures of the center.

 

 

 
   

 

 

 

 

 

 

How can you use a box plot to determine the minimum value?  __________________________________________

How can you use a box plot to determine the maximum value?  __________________________________________

How can you use a box plot to determine the range?  __________________________________________________

  • What is the minimum value?__________________

  • What is the maximum value?___________________

  • What is the range?___________________

How can you use a box plot to determine the median?  ____________________________________________________

How can you use a box plot to determine the lower quartile?  ______________________________________________

How can you use a box plot to determine the upper quartile?  _______________________________________________

  • What is the median?____________________

  • What is the lower quartile?___________________

  • What is the upper quartile?____________________

Learning Target:  I can display numerical data in a histogram, and summarize the data using measures of the center.

How can you use a histogram to determine how many pieces of data were used? ________________________________

  • Use the histogram to determine how many temperatures were recorded.______________

Be able to answer questions similar to the following questions.

  • How many days had temperatures between 20 and 24 degrees?_______________

  • How many days had temperatures above 25 degrees?_______________

Learning Target:  I can summarize data by analyzing the variability using the mean absolute deviation.

What are the three steps you need to do in order to find the MAD?

  1. _______________________________________________________________________________________

  2. _______________________________________________________________________________________

  3. _______________________________________________________________________________________

Use the following set of data to find the MAD:  5, 11, 4, 15, 7, 3

  • Mean of data:_____________________________

  • Differences:

 

 

  • Mean of differences:_____________________________

 

Learning Target:  I can use measures of the center to describe a set of data.

How do you find the mean?  __________________________________________________________________________

  • Find the mean of the set of data:74, 93, 52, 71, 88

 

How do you find the median?  _________________________________________________________________________

  • Find the median of the set of data:83, 29, 54, 19, 54, 67, 48, 34

 

  • Find the median of the set of data:91, 68, 34, 62, 90

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