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STAT 200 W2 Frequency Distribution for Median Income for Females

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Week 2 Homework Problems: Jessica Hadley
2.2.2)
Frequency Distribution:
Frequency Distribution for Median Income for Females
Class Limits
Class Boundaries
Class
Midpoint
Tally
Frequency
22,117-
27,576
22,116.5-
27,576.5
24,846.50
/
1
27,577-
33,036
27,576.5-
33,036.5
30,306.50
////- ////-///
13
33,037-
38,496
33,036.5-
38,496.5
35,766.50
////-////-////-////-
//
22
38,497-
43,956
38,496.5-
43,956.5
40,976.50
////-////-/
11
43,957-
49,416
43,956.5-
49,416.5
46,686.50
////
4
49,417-
54,876
49,416.5-
54,876.5
52,146.50
0
54,877-
60,336
54,876.5-
60,336.5
58,106.50
/
1
Total: 52
Relative Frequency Distribution:
Relative Frequency Distribution for Median Income for Females
Class Boundries
Class Midpoint
Frequency
Relative Freq.
22,116.5-27,576.5
24,846.50
1
0.02
27,576.5-33,036.5
30,306.50
13
0.25
33,036.5-38,496.5
35,766.50
22
0.42
38,496.5-43,956.5
40,976.50
11
0.21
43,956.5-49,416.5
46,686.50
4
0.08
49,416.5-54,876.5
52,146.50
0
0
54,876.5-60,336.5
58,106.50
1
0.02
Total: 1.18

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Cumulative Frequency:
Cumulative Frequency Distribution for Median Income for Females
Class Boundries
Class Midpoint
Frequency
Cumulative Freq.
22,116.5-27,576.5
24,846.50
1
1
27,576.5-33,036.5
30,306.50
13
14
33,036.5-38,496.5
35,766.50
22
36
38,496.5-43,956.5
40,976.50
11
47
43,956.5-49,416.5
46,686.50
4
51
49,416.5-54,876.5
52,146.50
0
51
54,876.5-60,336.5
58,106.50
1
52
2.2.6)
Histogram: (was unable to create graphs in Excel)
Histogram: Median Income for Females
The above graph is skewed to the right with a gap. It tells us that the median income for females
averages between $35,306 - $40,975, peaking around $ 35,766.
Relative Freq. Histogram:
Median Income for Women

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Week 2 Homework Problems: Jessica Hadley 2.2.2) Frequency Distribution: Frequency Distribution for Median Income for Females Class Class Limits Class Boundaries Midpoint Tally 22,11722,116.527,576 27,576.5 24,846.50 / 27,57727,576.533,036 33,036.5 30,306.50 ////- ////-/// 33,03733,036.5////-////-////-////38,496 38,496.5 35,766.50 // 38,49738,496.543,956 43,956.5 40,976.50 ////-////-/ 43,95743,956.549,416 49,416.5 46,686.50 //// 49,41749,416.554,876 54,876.5 52,146.50 54,87754,876.560,336 60,336.5 58,106.50 / Frequency 1 13 22 11 4 0 1 Total: 52 Relative Frequency Distribution: Relative Frequency Distribution for Median Income for Females Class Limits Class Boundries Class Midpoint Frequency 22,117-27,576 22,116.5-27,576.5 24,846.50 1 27,577-33,036 27,576.5-33,036.5 30,306.50 13 33,037-38,496 33,036.5-38,496.5 35,766.50 22 38,497-43,956 38,496.5-43,956.5 40,976.50 11 43,957-49,416 43,956.5-49,416.5 46,686.50 4 49,417-54,876 49,416.5-54,876.5 52,146.50 0 54,877-60,336 54,876.5-60,336.5 58,106.50 1 Relative Freq. 0.02 0.25 0.42 0.21 0.08 0 0.02 Total: 1.18 Cumulative Frequency: Cumulative Frequency Distribution for Median Income for Females Class Limits Class Boundries Class Midpoint Frequency 22,117-27,576 22,116.5-27,576.5 24,846.50 1 27,577-33,036 27,576.5-33,036.5 30,306.50 13 33,037-38,496 33,036.5-38,496.5 35,766.50 22 38,497-43,956 38,496.5-43,956.5 40,976.50 11 43,957-49,416 43,956.5-49,416.5 46,686.50 4 49,417-54,876 49,416.5-54,876.5 52,146.50 0 54,877-60,336 54,8 ...
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