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    Ch4 Assignment

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    Muhammad Rehman
    The document is a chapter assignment on describing data that involves constructing various data displays such as dot plots, box plots, and scatter plots from sample data sets and calculating summary statistics. Students are asked to analyze relationships and percentages from tables and plots. The assignment contains 15 multi-part questions involving creating and interpreting different types of graphs and calculating quartiles, medians, percentages and other descriptive statistics.

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    Download as DOC, PDF, TXT or read online from Scribd

    Ch4 Assignment

    Uploaded by

    Muhammad Rehman
    45 views4 pages
    The document is a chapter assignment on describing data that involves constructing various data displays such as dot plots, box plots, and scatter plots from sample data sets and calculating summary statistics. Students are asked to analyze relationships and percentages from tables and plots. The assignment contains 15 multi-part questions involving creating and interpreting different types of graphs and calculating quartiles, medians, percentages and other descriptive statistics.

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    Ch4 assignment

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    The document is a chapter assignment on describing data that involves constructing various data displays such as dot plots, box plots, and scatter plots from sample data sets and calculating summary statistics. Students are asked to analyze relationships and percentages from tables and plots. The assignment contains 15 multi-part questions involving creating and interpreting different types of graphs and calculating quartiles, medians, percentages and other descriptive statistics.

    Copyright:

    © All Rights Reserved
    Download as DOC, PDF, TXT or read online from Scribd
    Download as doc, pdf, or txt
    45 views4 pages

    Ch4 Assignment

    Uploaded by

    Muhammad Rehman
    The document is a chapter assignment on describing data that involves constructing various data displays such as dot plots, box plots, and scatter plots from sample data sets and calculating summary statistics. Students are asked to analyze relationships and percentages from tables and plots. The assignment contains 15 multi-part questions involving creating and interpreting different types of graphs and calculating quartiles, medians, percentages and other descriptive statistics.

    Copyright:

    © All Rights Reserved
    Download as DOC, PDF, TXT or read online from Scribd
    Download as doc, pdf, or txt
    of 4

    CHAPTER 4 ASSIGNMENT

    DESCRIBING DATA: DISPLAYING AND EXPLORING DATA

    Name _____________________________________ Section_______________ Score __________

    Show all of your work. Write the answer in the space provided.

    11. The ages of a sample of 30 people living in 76 74 71 78 80 67


    assisted living facilities in Columbia, South 80 82 67 88 72 78
    Carolina are shown in the table. 85 76 84 82 83 80
    72 82 77 79 86 89
    Construct a dot plot for the data. 69 70 82 86 78 77

           
         
         
         
                          

    STEM LEAF
    5 68
    12. The following stem and leaf plot shows the scores on a recent 6 12248
    test of Pre-Calculus students. 7 0466
    8 04466666
    9 026
    10 0

    a.
    a. How many students took the test?

    b. What were the highest and lowest scores? b.

    c. How many students scored 70 or higher? c.

    d.
    Chapter 4 I 57 Describing Data:
    Displaying And Exploring Data
    d. What percent of the students scored lower than 70?

    13. The revenues of the top eleven personal computer 15 17 23 26 27 35


    manufacturers are given (in hundred millions).
    72 88 91 98 102

    a. Compute the first quartile. a. Q1

    b. Q3

    c. M
    b. The third quartile.

    c. Determine the median.

    d. Draw a box plot for the data.

                          

    e. Calculate Pearson’s coefficient of skewness. e.

    Describing Data: 58 Chapter 4


    Displaying and Exploring Data
    14. The following table gives the miles per gallon and the load capacity for 6 SUV’s.

    Miles per Load


    Gallons Capacity
    19 860
    17 970
    16 1035
    16 1165
    14 1180
    13 1360

    a. Develop a scatter diagram for the data.

    b. How would you characterize the relationship between miles per gallon and load capacity?

    ________________________________________________________________________

    15. The Fulton County Farm Bureau held Blood Age


    a health screening clinic for its Pressure Under 25 25 to 50 Over 50 Total
    members. The results for the blood Low 20 30 37 87
    pressure screening portion of the
    Medium 44 81 93 218
    clinic are summarized in the table by
    High 24 45 75 144
    age group and blood pressure.
    Total 88 156 205 449
    a. What percent of the members have high blood pressure?
    a.

    Chapter 4 I 59 Describing Data:


    Displaying And Exploring Data
    b. What percent of the under age 25 members have low blood pressure? b.

    c. How would you characterize the relationship between medium blood pressure and
    being over age 50?

    ______________________________________________________________________

    Describing Data: 60 Chapter 4


    Displaying and Exploring Data

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