Statstics 8104-8 Data File 2 - 63481

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Data File 2

 

 

 

Chapter Three (Show all your work)

 

 

 

  1. A teacher asked each of her students how many novels they had read in the previous six months.  The results are shown below.

     

    0          1          5          4          2          1          3          2

    2          7          2          5          0          1          0          1

    1          2          6          0          2          3          1          2

    7          1          4          2          3          1          7          0

    0          2          1          1          0          6          1          7

     

    Construct a frequency table for the number of novels read.

     

    Answer:

     

 

Novels Read Frequency Table

Read Scale

Frequency

0

7

1

11

2

9

3

3

4

2

5

2

6

2

7

4

Total

40

 

 

 

 

 

 

 

  1. The frequency table shows the weights in ounces of 30 stones

     

    Weight (oz)     Number of Stones

     

     

     
     

     


1.2-1.6                         5

 

1.7-2.1                         2

 

2.2-2.6                         5

 

2.7-3.1                         5

 

        1. 13

           

           

          Use the above information to construct a cumulative frequency table for the data. 

           

           

           

 

  1. Use the following data to construct a bar chart.

     

    Job categories

     

    Clerical            Management   Maintenance    Professional     Unemployed

    5                      4                      6                      2                      1

     

    Answer:

     

    Create a bar graph and place the above data in a bar graph.

     

     

  2. The data below are the numbers of hours of homework done as reported by 24 high school juniors for the last week in September 2006.

     

    6, 5, 6, 4, 6, 6, 9, 7, 6, 3, 8, 5, 5, 8, 6, 5, 8, 6, 5, 7, 5, 8, 7, 4

     

    Create a histogram using the above data.  Use bin width (size of the bar) of 2 hours. 

     

     

  3. Examine the stem and leaf plot below.  Find the original data from the stem and leaf plot.

     

    Stem                Leaves

     

     

     
     

     


1                      1,8 6

 

2                      1,1,3,7

 

3                      1,3,3,8,9

 

4                      3,4

 

 

 

Solution Description

 

 

 

Data File 2

 

 

 

Chapter Three (Show all your work)

 

 

 

  1. A teacher asked each of her students how many novels they had read in the previous six months.  The results are shown below.

     

    0          1          5          4          2          1          3          2

    2          7          2          5          0          1          0          1

    1          2          6          0

    Attachments
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    Data File 2.doc