Question
This chart displays the average rate of people living in poverty in the 23 continental states westof the Mississippi River for the years 2014 -
- This chart displays the average rate of people living in poverty in the 23 continental states westof the Mississippi River for the years 2014 - 2016. Create a stemplot for these data. Note thata stemplot never shows the decimal symbol and only the rightmost digit is used for the leaf.(https://www.census.gov/data/tables/2017/demo/income-poverty/p60-259.html)
State | Rate of Poverty (%) |
---|---|
Minnesota | 8.3 |
Utah | 9.4 |
Iowa | 10.1 |
Wyoming | 10.1 |
Colorado | 10.2 |
North Dakota | 10.5 |
Nebraska | 10.6 |
Missouri | 11.1 |
Washington | 11.5 |
Idaho | 11.9 |
Montana | 11.9 |
Kansas | 12.5 |
Oregon | 12.7 |
Nevada | 13.4 |
South Dakota | 13.7 |
California | 14.5 |
Texas | 15.0 |
Oklahoma | 15.4 |
Arkansas | 16.8 |
Arizona | 18.2 |
New Mexico | 19.1 |
Louisiana | 20.6 |
Mississippi | 20.8 |
- Below is a listing of all U.S. Presidents and the number of children they had, sorted by the number of children. Find the five-number summary, create a boxplot, and create a dotplot.
President | Number of Children |
---|---|
Tyler | 15 |
W. H. Harrison | 10 |
Hayes | 8 |
Garfield | 7 |
Jefferson | 6 |
Taylor | 6 |
T. Roosevelt | 6 |
F. D. Roosevelt | 6 |
J. Adams | 5 |
A. Johnson | 5 |
Cleveland | 5 |
G. H. W. Bush | 5 |
Trump | 5 |
J. Q. Adams | 4 |
Van Buren | 4 |
Lincoln | 4 |
Grant | 4 |
Kennedy | 4 |
Ford | 4 |
Carter | 4 |
Reagan | 4 |
Biden | 4 |
Pierce | 3 |
Arthur | 3 |
B. Harrison | 3 |
Taft | 3 |
Wilson | 3 |
Monroe | 2 |
Fillmore | 2 |
McKinley | 2 |
Coolidge | 2 |
Hoover | 2 |
Eisenhower | 2 |
L. B. Johnson | 2 |
Nixon | 2 |
G. W. Bush | 2 |
Obama | 2 |
Truman | 1 |
Clinton | 1 |
Washington | 0 |
Madison | 0 |
Jackson | 0 |
Polk | 0 |
Buchanan | 0 |
Harding | 0 |
- Use the following for Questions 3-6.
Highest Degree Earned | Unemployment Rate (%) | Median Weekly Earnings ($) |
---|---|---|
Doctoral Degree | 1.5 | 1,743 |
Professional Degree | 1.5 | 1,836 |
Master's Degree | 2.2 | 1,401 |
Bachelor's Degree | 2.5 | 1,173 |
Associate's Degree | 3.4 | 836 |
Some College, No Degree | 4.0 | 774 |
High School Diploma | 4.6 | 712 |
Less than a High School Diploma | 6.5 | 520 |
Overall | 3.6 | 907 |
- What population is described by this data?
- Describe the relationship between: a) unemployment and educational attainment b) weekly earnings and educational attainment
- What was the overall national: a) percentage of unemployment? b) median weekly earnings?
- Based on this data, is it better to earn a doctoral degree or a professional degree? Why?
- Use the following to answer questions 7-12.The data are the maximum daily temperatures at Cox-Dayton International Airport for June and July 2018.
Date | Max (F) |
---|---|
Jun 1 | 80 |
Jun 2 | 82 |
Jun 3 | 81 |
Jun 4 | 75 |
Jun 5 | 76 |
Jun 6 | 71 |
Jun 7 | 82 |
Jun 8 | 85 |
Jun 9 | 86 |
Jun 10 | 77 |
Jun 11 | 75 |
Jun 12 | 78 |
Jun 13 | 85 |
Jun 14 | 82 |
Jun 15 | 86 |
Jun 16 | 90 |
Jun 17 | 92 |
Jun 18 | 92 |
Jun 19 | 89 |
Jun 20 | 85 |
Jun 21 | 72 |
Jun 22 | 81 |
Jun 23 | 79 |
Jun 24 | 85 |
Jun 25 | 79 |
Jun 26 | 79 |
Jun 27 | 81 |
Jun 28 | 85 |
Jun 29 | 89 |
Jun 30 | 92 |
Jul 1 | 93 |
Jul 2 | 90 |
Jul 3 | 89 |
Jul 4 | 92 |
Jul 5 | 92 |
Jul 6 | 81 |
Jul 7 | 79 |
Jul 8 | 86 |
Jul 9 | 89 |
Jul 10 | 91 |
Jul 11 | 83 |
Jul 12 | 83 |
Jul 13 | 89 |
Jul 14 | 90 |
Jul 15 | 90 |
Jul 16 | 86 |
Jul 17 | 86 |
Jul 18 | 83 |
Jul 19 | 83 |
Jul 20 | 73 |
Jul 21 | 76 |
Jul 22 | 80 |
Jul 23 | 78 |
Jul 24 | 79 |
Jul 25 | 85 |
Jul 26 | 84 |
Jul 27 | 78 |
Jul 28 | 80 |
Jul 29 | 78 |
Jul 30 | 76 |
Jul 31 | 76 |
- Calculate the mean maximum daily temperature at Cox-Dayton International Airport for June and July 2018.
- Complete the following frequency chart.
Temperature | Frequency | Relative Frequency |
---|---|---|
70 - 74 | ||
75 - 79 | ||
80 - 84 | ||
85 - 89 | ||
90 - 94 |
- From the frequency chart, calculate the mean.
- How does the mean from the raw data (question 7) compare to the mean from the grouped data (question 9)?
- Use the frequency chart to create a histogram of the daily high temperatures at Cox-Dayton International Airport for June and July 2018.
- Describe the distribution by shape, center, and spread. Also, indicate if there are any outliers.
- Two 2017 high school graduates want to compare their results on college entrance exams. Alex scored 1401 on the SAT, and Olivia scored 32 on the ACT. For 2017, the mean SAT score was 1060, and the standard deviation was 195. That same year, the ACT had a mean score of 21.0 and a standard deviation of 5.6. Calculate a z-score for each student, determine which student had the better test score, and explain why.
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