Kim Pearson

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CAR Problem set 1

Prof. Pearson

Instructions: Fill out the answers in the spaces below, then click "Submit." Print out this form with your responses and bring it to class on the 7th. 

Your name:

Your e-mail address:

Due September 7

  1. The mean/median grade in the group of 50, 55, 85, 88 and 100 is 85.

    True        False

     

     

  2. Explain your answer to the first question.

  3. Below is a list of ages of members of a hypothetical introduction to journalism college class:

    4. 19, 18, 17, 20, 32, 19, 24, 18, 19, 43, 18, 19, 20, 21, 18, 17, 12, 62, 30, 28

    Calculate the mean, mode and median ages

                            Mean:

                            Mode:

                            Median:

     

    What percentage of the students’ ages correspond with the mean?
    What percentage of the students’ ages is above the median?
    What percentage of the students’ ages is below the mean?
    What is the standard deviation?
    What might a journalist find interesting about these numbers?

    What other statistical information might a journalist want to determine the newsworthiness of the this data?