Fullerton College Statistics Frequency Distribution Questions

Question 1         

1. Members of a certain college  statistics class were selected, and asked to indicate how many hours  during the previous month they had spent reading (for pleasure, not  school work).  The data are as follows:  

25, 25, 24, 26, 23, 23, 22, 25, 24, 22, 23, 24, 26

On a piece of paper, CREATE A FREQUENCY DISTRIBUTION (per the instructions you learned in class).  

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1. For the data presented in the  frequency distribution you just created, CREATE A FREQUENCY POLYGON (per the instructions you learned in class) on a piece of GRAPH PAPER. 

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1. A researcher surveyed respondents  regarding pet ownership, determining whether they were a pet owner or  not a pet owner. The results are as follows (“P” represents a pet owner  and “NP” represents someone with no pets):

P, P, NP, P, P, P, NP, NP, NP, NP, P, P, P, P, P, P, NP, P, NP, P, P, NP, NP, P, NP, P, P, P

Create a Frequency Distribution and include a column for relative frequency (%) — (per the instructions you learned in class). 

Create the frequency distribution with the relative frequency (%) column on your own paper (you do NOT need to show your calculations, and definitely do NOT show you calculations within your final product).

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1. Calculate the range and the mean for the following set of scores. Also, use the deviation method to calculate the deviation scores, the variance and standard deviation. SHOW all your work, round to two decimal places. State the symbol for each. 

Scores:  6, 9, 10, 15

After you show the CHART and SHOW ALL YOUR WORK, then state the following:

4a. Range Answer _________ Range Symbol ____

4b. Mean Answer_________ 

4c. Variance Answer __________ Variance Symbol ____

4d.  Standard Deviation Answer ______________ Standard Deviation Symbol ____