In: Statistics and Probability
Please show work
The median incomes of females in each state of the United States, including the District of Columbia and Puerto Rico, are given in following table ("Median income of," 2013).
$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 |
Create a frequency distribution, relative frequency distribution, and cumulative frequency distribution using 7 classes and answer the following questions:
a. What is the frequency associated with the THIRD class?
b. What is the frequency associated with the FIFTH class?
c. What is the relative frequency associated with the THIRD class? Express answer as decimal rounded to nearest hundredth (two places after decimal). Examples of correctly entered answers are:
0.05
0.37
0.60
1.00
d. What is the relative frequency associated with the FIFTH class? Express answer as decimal rounded to nearest hundredth (two places after decimal). Examples of correctly entered answers are:
0.05
0.37
0.60
1.00
e. What is the cumulative frequency associated with the SEVENTH class?
HINT
Class Limits |
Class Boundaries |
Class Midpoint |
Tally |
Frequency |
Relative Frequency |
Cumulative Frequency |
22117-27576 |
22116.5-27576.5 |
24847 |
||||
27577-33036 |
27576.5-33036.5 |
30307 |
||||
33037-38496 |
33036.5-38496.5 |
35767 |
||||
38497-43956 |
38496.5-43956.5 |
41227 |
||||
43957-49416 |
43956.5-49416.5 |
46687 |
||||
49417-54876 |
49416.5-54876.5 |
52147 |
||||
54877-60336 |
54876.5-60336.5 |
57607 |
Sum of tallies column MUST equal total number of scores!
Sum of frequencies column MUST equal total number of scores!
Sum of relative frequencies column MUST equal 100% or 1 (due to rounding decimals, you may not get “1” exactly)
Following is the completed table:
a. What is the frequency associated with the THIRD class?
Answer: 21
b. What is the frequency associated with the FIFTH class?
Answer: 4
c. What is the relative frequency associated with the THIRD class? Express answer as decimal rounded to nearest hundredth (two places after decimal). Examples of correctly entered answers are:
Answer: 0.40
d. What is the relative frequency associated with the FIFTH class? Express answer as decimal rounded to nearest hundredth (two places after decimal). Examples of correctly entered answers are:
Answer: 0.08
e. What is the cumulative frequency associated with the SEVENTH class?
Answer: 52