1. 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

1. 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

2. 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

1. What population is described by this data?
2. Describe the relationship between: a) unemployment and educational attainment b) weekly earnings and educational attainment
3. What was the overall national: a) percentage of unemployment? b) median weekly earnings?
4. Based on this data, is it better to earn a doctoral degree or a professional degree? Why?
5. 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

1. Calculate the mean maximum daily temperature at Cox-Dayton International Airport for June and July 2018.
2. Complete the following frequency chart.

Temperature	Frequency	Relative Frequency
70 - 74
75 - 79
80 - 84
85 - 89
90 - 94

2. From the frequency chart, calculate the mean.
3. How does the mean from the raw data (question 7) compare to the mean from the grouped data (question 9)?
4. Use the frequency chart to create a histogram of the daily high temperatures at Cox-Dayton International Airport for June and July 2018.
5. Describe the distribution by shape, center, and spread. Also, indicate if there are any outliers.
6. 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.