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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
$34,381
Class Limits
Frequency
21000-25000
1
25001-30000
2
30001-35000
22
35001-40000
12
40001-45000
10
45001-50000
4
50001-61000
1
Class Limits
Frequency
Cumulative Frequency
21000-25000
1
1
25001-30000
2
3
30001-35000
22
25
35001-40000
12
37
40001-45000
10
47
45001-50000
4
51
50001-61000
1
52
Class Limits
Frequency
Relative Frequency
21000-25000
1
0.02
25001-30000
2
0.04
30001-35000
22
0.42
35001-40000
12
0.23
40001-45000
10
0.19
45001-50000
4
0.08
50001-61000
1
0.02
Total
52
1.00
2.2.6
Create a histogram and relative frequency histogram for the data in table #2.2.10. Describe the shape and any findings you can from the graph.
Skewed to the right.
The distribution of income is approximately normally distributed.
2.2.10
Create an ogive for the data in table #2.2.10. Describe any findings you can from the graph.
There are 50 individuals with income less than 61000$.
2.3.4
Table #2.3.7 contains the value of the house and the amount of rental income in a year that the house brings in ("Capital and rental," 2013). Create a scatter plot and state if there is a relationship between the value of the house and the annual rental income.
Table #2.3.7: Data of House Value versus...