EP INTRODUCTION TO PROBABILITY+STAT.
EP INTRODUCTION TO PROBABILITY+STAT.
14th Edition
ISBN: 2810019974203
Author: Mendenhall
Publisher: CENGAGE L
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Chapter 1, Problem 1.44SE

a.

To determine

To find:The leaf and stem plot for the data

a.

Expert Solution
Check Mark

Answer to Problem 1.44SE

The leaf and stem plot for the data is shown in Figure-1.

Explanation of Solution

Given information: The data is shown below.

    Name Length (mi) Name  Length (mi)
    Superior350Titicaca122
    Victoria250Nicaragua102
    Huron206Athabasca208
    Michigan307Reindeer143
    Aral Sea260Tonie Sap70
    Tanganyika420Turkana154
    Baykal395lssykKul115
    Great Bear192Torrens130
    Nyasa360Vanern91
    Great Slave298Nettilling67
    Erie241Winnipegosis141
    Winnipeg266Albert100
    Ontario193Nipigon72
    Balkhash376Gairdner90
    Ladoga124Urmia90
    Maracaibo133Manitoba140
    Onega145Chad175
    Eyre90  

Calculation:

The leaf and stem plot is shown below.

  EP INTRODUCTION TO PROBABILITY+STAT., Chapter 1, Problem 1.44SE , additional homework tip 1

Figure-1

Thus, the leaf and stem plot for the data is shown in Figure-1.

b.

To determine

To find: The histogram for the data.

b.

Expert Solution
Check Mark

Answer to Problem 1.44SE

The histogram for the data is shown in Figure-2.

Explanation of Solution

Given information: The data is shown below.

    Name Length (mi) Name  Length (mi)
    Superior350Titicaca122
    Victoria250Nicaragua102
    Huron206Athabasca208
    Michigan307Reindeer143
    Aral Sea260Tonie Sap70
    Tanganyika420Turkana154
    Baykal395lssykKul115
    Great Bear192Torrens130
    Nyasa360Vanern91
    Great Slave298Nettilling67
    Erie241Winnipegosis141
    Winnipeg266Albert100
    Ontario193Nipigon72
    Balkhash376Gairdner90
    Ladoga124Urmia90
    Maracaibo133Manitoba140
    Onega145Chad175
    Eyre90  

Calculation:

The histogram is shown below.

  EP INTRODUCTION TO PROBABILITY+STAT., Chapter 1, Problem 1.44SE , additional homework tip 2

Figure-2

Both the graph provides the same information.

Thus, the histogram for the data is shown in Figure-2.

c.

To determine

To find:Whether the data is skewed or symmetric.

c.

Expert Solution
Check Mark

Answer to Problem 1.44SE

The data is skewed.

Explanation of Solution

Given information: The data is shown below.

    Name Length (mi) Name  Length (mi)
    Superior350Titicaca122
    Victoria250Nicaragua102
    Huron206Athabasca208
    Michigan307Reindeer143
    Aral Sea260Tonie Sap70
    Tanganyika420Turkana154
    Baykal395lssykKul115
    Great Bear192Torrens130
    Nyasa360Vanern91
    Great Slave298Nettilling67
    Erie241Winnipegosis141
    Winnipeg266Albert100
    Ontario193Nipigon72
    Balkhash376Gairdner90
    Ladoga124Urmia90
    Maracaibo133Manitoba140
    Onega145Chad175
    Eyre90  

Calculation:

From the two graphs it is clear that the data is skewed to the right.

Thus, the data is skewed.

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Chapter 1 Solutions

EP INTRODUCTION TO PROBABILITY+STAT.

Ch. 1.3 - Experimental Units Identify the experimental units...Ch. 1.3 - Qualitative or Quantitative? Identify each...Ch. 1.3 - Discrete or Continuous? Identify the following...Ch. 1.3 - Discrete or Continuous? Identify each quantitaive...Ch. 1.3 - Parking on Campus Six vehicles are selected from...Ch. 1.3 - Past U.S. Presidents A data set consists of the...Ch. 1.3 - Voter Attitudes You are a candidate for your state...Ch. 1.3 - Cancer Survival Times A medical researcher wants...Ch. 1.3 - New Teaching Methods An educational researcher...Ch. 1.3 - Fifty people are grouped into four categrires A,...
Ch. 1.3 - Jeans A manufacturer of jeans has plants in...Ch. 1.3 - Prob. 1.12ECh. 1.3 - Want to Be President? Would you want to be the...Ch. 1.3 - Facebook Fanatics The social networking site...Ch. 1.3 - Back to Work How long does it take you to adjust...Ch. 1.5 - Construct a stem and leaf plot for these 50...Ch. 1.5 - Refer to Exercise 1.16. Construct a relative...Ch. 1.5 - Prob. 1.18ECh. 1.5 - A discrete variable can take on oniy the values 0....Ch. 1.5 - Prob. 1.20ECh. 1.5 - Prob. 1.21ECh. 1.5 - Prob. 1.22ECh. 1.5 - Cheeseburgers Create a dotplot for the number of...Ch. 1.5 - Prob. 1.24ECh. 1.5 - Prob. 1.25ECh. 1.5 - Prob. 1.26ECh. 1.5 - Education Pays Off! Education pays off, according...Ch. 1.5 - Preschool The ages (in months) at which 50...Ch. 1.5 - Prob. 1.29ECh. 1.5 - Prob. 1.30ECh. 1.5 - Prob. 1.31ECh. 1.5 - Prob. 1.32ECh. 1.5 - Prob. 1.33ECh. 1.5 - RBC Counts The red blood cell count of a healthy...Ch. 1.5 - Prob. 1.35ECh. 1.5 - Prob. 1.36ECh. 1.5 - Hazardous Waste How safe is your neighborhood? Are...Ch. 1 - Quantitative or Qualitative? Identify each...Ch. 1 - Symmetric or Skewed? Do you expect the...Ch. 1 - Continuous or Discrete? Identify each variable as...Ch. 1 - Prob. 1.41SECh. 1 - Continuous or Discrete, again Identify each...Ch. 1 - Aqua Running Aqua running has been suggested as a...Ch. 1 - Prob. 1.44SECh. 1 - Ages of Pennies We collected 50 pennies and...Ch. 1 - Prob. 1.46SECh. 1 - Presidential Vetoes Here is a list of the 44...Ch. 1 - Prob. 1.48SECh. 1 - Prob. 1.49SECh. 1 - Prob. 1.50SECh. 1 - Prob. 1.51SECh. 1 - Prob. 1.52SECh. 1 - Prob. 1.53SECh. 1 - Student Heights The self-reported heights of 105...Ch. 1 - Prob. 1.55SECh. 1 - Pulse Rates A group of 50 biomedical students...Ch. 1 - Prob. 1.57SECh. 1 - Prob. 1.58SECh. 1 - Prob. 1.59SECh. 1 - Prob. 1.60SECh. 1 - Prob. 1.61SECh. 1 - Old Faithful The data below are the wailing times...Ch. 1 - Prob. 1.63SECh. 1 - Prob. 1.64SECh. 1 - Prob. 1.65SECh. 1 - The number of Starhucks coffee shops in cities...Ch. 1 - What’s Normal? The 98.6 degree standard for human...
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