APPLIED STAT.IN BUS.+ECONOMICS
6th Edition
ISBN: 9781259957598
Author: DOANE
Publisher: RENT MCG
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Textbook Question
Chapter 3, Problem 3CR
(a) What is a histogram? (b) What does it show?
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(b)
(i) Describe the skewness of the above histogram.
(ii) Describe the shape of the above histogram in term of the number of mode(s).“
Match the value of the corelation to the data in the scatterplot.
(a)
(b)
(c)
Ar=-0.51
vScatterplot (a)
vScatterplot (b)
VScatterplot (c)
vScatterplot (d)
B.r= 0.89
C.r = 0.99
D.r= - 0.12
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a. Create a histogram that represents the data.
b. List three facts you can gather from looking at the data and histogram.
Chapter 3 Solutions
APPLIED STAT.IN BUS.+ECONOMICS
Ch. 3.1 - (a) Make a stem-and-leaf plot for these 24...Ch. 3.1 - (a) Make a stem-and-leaf plot for the number of...Ch. 3.1 - (a) Make a stacked dot plot to compare the lengths...Ch. 3.2 - (a) The table shows the number of days on the...Ch. 3.2 - (a) The table shows raw scores on a state civil...Ch. 3.2 - (a) Make a frequency distribution and histogram...Ch. 3.2 - (a) Make a frequency distribution and histogram...Ch. 3.2 - (a) Make a frequency distribution and histogram...Ch. 3.2 - For each frequency distribution, suggest nice...Ch. 3.2 - Below are sorted data showing average spending per...
Ch. 3.4 - (a) Use Excel to prepare a line chart to display...Ch. 3.4 - Prob. 12SECh. 3.4 - Prob. 13SECh. 3.4 - (a) Use Excel to prepare a line chart to display...Ch. 3.5 - Prob. 15SECh. 3.5 - The table shows the number of TVs sold by a major...Ch. 3.6 - (a) Use Excel to prepare a 2-D pie chart for these...Ch. 3.6 - Prob. 19SECh. 3.6 - Prob. 20SECh. 3.7 - (a) Use Excel to make a scatter plot of the data...Ch. 3.7 - Prob. 22SECh. 3.7 - Prob. 23SECh. 3.7 - (a) Use Excel to make a scatter plot of the data,...Ch. 3 - Name two attractive features and two limitations...Ch. 3 - (a) What is a frequency distribution? (b) What are...Ch. 3 - (a) What is a histogram? (b) What does it show?Ch. 3 - (a) What is a bimodal histogram? (b) Explain the...Ch. 3 - (a) What is a scatter plot? (b) What do scatter...Ch. 3 - For what kind of data would we use a bar chart?...Ch. 3 - For what kind of data would we use a line chart?...Ch. 3 - (a) List the three most common types of charts in...Ch. 3 - (a) For what kind of data would we use a pie...Ch. 3 - Which types of charts can be used for time series...Ch. 3 - (a) When might we need a log scale? (b) What do...Ch. 3 - When might we use a stacked column chart? An area...Ch. 3 - List five deceptive graphical techniques.Ch. 3 - What is a pivot table? Why is it useful?Ch. 3 - The durations (minutes) of 26 electric power...Ch. 3 - The U.S. Postal Service will ship a Priority Mail,...Ch. 3 - A study of 40 U.S. cardiac care centers showed the...Ch. 3 - Prob. 28CECh. 3 - An executives telephone log showed the following...Ch. 3 - Below are batting averages of the New York Yankees...Ch. 3 - Prob. 31CECh. 3 - Prob. 32CECh. 3 - Download the full data set from the McGraw-Hill...Ch. 3 - (a) What kind of display is this? (b) Identify its...Ch. 3 - (a) What kind of display is this? (b) Identify its...Ch. 3 - (a) What kind of display is this? (b) Identify its...Ch. 3 - (a) What kind of display is this? (b) Identify its...Ch. 3 - Prob. 38CECh. 3 - (a) What kind of display is this? (b) Identify its...Ch. 3 - (a) What kind of display is this? (b) Identify its...Ch. 3 - Prob. 41CECh. 3 - Prob. 42CECh. 3 - (a) Use Excel to prepare an appropriate type of...Ch. 3 - Prob. 44CECh. 3 - Prob. 45CECh. 3 - (a) Use Excel to prepare an appropriate type of...Ch. 3 - Prob. 47CECh. 3 - (a) Use Excel to prepare an appropriate type of...
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- Match each histogram to the boxplot that represents the same data set. (a) (b) (e) (d) (1) (2) (3) (4)arrow_forwardIn an experiment, 25 observations were collected and the results are displayed in the histogram below. (a) Describe the shape of this histogram. (b) Which quantity do you expect to be larger, the mean or the median? Explain. (c)Which statistic best describes the center of these data? [Here, you are giving the name or symbol of the statistic. You do not need to calculate or estimate its value.] (d)Which statistic best describes the spread of these data? [Here, you are giving the name or symbol of the statistic. You do not need to calculate or estimate its value.]arrow_forwardProvide more information about the two different histograms.arrow_forward
- Match the following. 50 70 60 (a) - 0 (b) Histogram (a) Histogram (b) Histogram (c) 100 0 24 (c) a. Box plot (3) b. Box plot (2) c. Box plot (1) 4- 2- (1) 70- 65- 60- 55 (2) 100- 80- 60- 40- 20- 0- (3)arrow_forwardHow is correlation measured and how is the value interpreted?arrow_forwardWhat is the Fratio for these data?arrow_forward
- For each test below, describe what it is used for and to what type of data does it apply.(a) Rosner’s test(b) Grubb’s test(c) Dixon’s testarrow_forwardHow are linear correlation and rank correlation alike? (Try to avoid using the word "correlation" to describe any similarities.) How are linear correlation and rank correlation different?arrow_forwardCan you make me a histogram out of this data?arrow_forward
- In the real world, what kinds of data are distributed in the shape of a bell curve? Cite examples of how the Bell Curve has been used that you think are good, or bad, or neutral.arrow_forwardQuestion: What is the concept of correlation in statistics and what are its applications?arrow_forwardWhat does Z-score tell you about someone's score in a class and what does it mean if it is negative or positive?arrow_forward
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