1
STAT 200 Week 2 Homework Problems
2.2.2
The median incomes of females in each state of the United States, including the District of
Columbia and Puerto Rico, are given in table #2.2.10 ("Median income of," 2013). Create a
frequency distribution, relative frequency distribution, and cumulative frequency distribution
using 7 classes.
Table #2.2.10: Data of Median Income for Females
$31,862 $40,550 $36,048 $30,752 $41,817 $40,236 $47,476 $40,500
$60,332 $33,823 $35,438 $37,242 $31,238 $39,150 $34,023 $33,745
$33,269 $32,684 $31,844 $34,599 $48,748 $46,185 $36,931 $40,416
$29,548 $33,865 $31,067 $33,424 $35,484 $41,021 $47,155 $32,316
$42,113 $33,459 $32,462 $35,746 $31,274 $36,027 $37,089 $22,117
$41,412 $31,330 $31,329 $33,184 $35,301 $32,843 $38,177 $40,969
$40,993 $29,688 $35,890 $34,381
Table #2.2.10 Frequency Distribution Table
Median Income Frequency
20,000 – 25,000 1
25,001 – 30,000 2
30,001 – 35,000 22
35,001 – 40,000 12
40,001 – 45,000 10
45,001 – 50,000 4
50,001 + 1
Total 52
Table #2.2.10 Relative Frequency Distribution Table
Median Income Frequency Relative Frequency
20,000 – 25,000 1 0.02
25,001 – 30,000 2 0.04
30,001 – 35,000 22 0.42
35,001 – 40,000 12 0.23
40,001 – 45,000 10 0.19
45,001 – 50,000 4 0.08
50,001 + 1 0.02
Total 52 1.00
This study source was downloaded by 100000838493518 from CourseHero.com on 01-30-2022 19:15:07 GMT -06:00
https://www.coursehero.com/file/37618275/STAT-200-Week-2-Homework-Problemsdocx/
, 2
Table #2.2.10 Cumulative Frequency Distribution Table
Median Income Frequency Cumulative Frequency
20,000 – 25,000 1 1
25,001 – 30,000 2 3
30,001 – 35,000 22 25
35,001 – 40,000 12 37
40,001 – 45,000 10 47
45,001 – 50,000 4 51
50,001 + 1 52
2.2.6
Create a histogram and relative frequency histogram for the data in table #2.2.10. Describe the shape
and any findings you can from the graph.
With the below histograms, I find that more women were within the $30,001 to $35,000 median
income bracket.
Table #2.2.10 Frequency Histogram
This study source was downloaded by 100000838493518 from CourseHero.com on 01-30-2022 19:15:07 GMT -06:00
https://www.coursehero.com/file/37618275/STAT-200-Week-2-Homework-Problemsdocx/
STAT 200 Week 2 Homework Problems
2.2.2
The median incomes of females in each state of the United States, including the District of
Columbia and Puerto Rico, are given in table #2.2.10 ("Median income of," 2013). Create a
frequency distribution, relative frequency distribution, and cumulative frequency distribution
using 7 classes.
Table #2.2.10: Data of Median Income for Females
$31,862 $40,550 $36,048 $30,752 $41,817 $40,236 $47,476 $40,500
$60,332 $33,823 $35,438 $37,242 $31,238 $39,150 $34,023 $33,745
$33,269 $32,684 $31,844 $34,599 $48,748 $46,185 $36,931 $40,416
$29,548 $33,865 $31,067 $33,424 $35,484 $41,021 $47,155 $32,316
$42,113 $33,459 $32,462 $35,746 $31,274 $36,027 $37,089 $22,117
$41,412 $31,330 $31,329 $33,184 $35,301 $32,843 $38,177 $40,969
$40,993 $29,688 $35,890 $34,381
Table #2.2.10 Frequency Distribution Table
Median Income Frequency
20,000 – 25,000 1
25,001 – 30,000 2
30,001 – 35,000 22
35,001 – 40,000 12
40,001 – 45,000 10
45,001 – 50,000 4
50,001 + 1
Total 52
Table #2.2.10 Relative Frequency Distribution Table
Median Income Frequency Relative Frequency
20,000 – 25,000 1 0.02
25,001 – 30,000 2 0.04
30,001 – 35,000 22 0.42
35,001 – 40,000 12 0.23
40,001 – 45,000 10 0.19
45,001 – 50,000 4 0.08
50,001 + 1 0.02
Total 52 1.00
This study source was downloaded by 100000838493518 from CourseHero.com on 01-30-2022 19:15:07 GMT -06:00
https://www.coursehero.com/file/37618275/STAT-200-Week-2-Homework-Problemsdocx/
, 2
Table #2.2.10 Cumulative Frequency Distribution Table
Median Income Frequency Cumulative Frequency
20,000 – 25,000 1 1
25,001 – 30,000 2 3
30,001 – 35,000 22 25
35,001 – 40,000 12 37
40,001 – 45,000 10 47
45,001 – 50,000 4 51
50,001 + 1 52
2.2.6
Create a histogram and relative frequency histogram for the data in table #2.2.10. Describe the shape
and any findings you can from the graph.
With the below histograms, I find that more women were within the $30,001 to $35,000 median
income bracket.
Table #2.2.10 Frequency Histogram
This study source was downloaded by 100000838493518 from CourseHero.com on 01-30-2022 19:15:07 GMT -06:00
https://www.coursehero.com/file/37618275/STAT-200-Week-2-Homework-Problemsdocx/