Reference no: EM132852821
1. Define frequency distribution and when is a frequency distribution table more beneficial to utilize.
2. How is the ∑X obtained from a frequency distribution table?
3. What are the formulas for calculating Proportions and Percentages for completing a frequency distribution table? Cumulative Frequency and Cumulative Percentage?
4. What are the three different types of frequency distribution graphs and what type of data are each used to display?
5. What's the difference between a frequency distribution table and a grouped frequency distribution table?
6. Complete the following 5-point grouped distribution table using the following scores:
44 19 23 17 25 47 32 26 25 30 18 24 49
51 24 13 43 27 34 16 52 18 36 25
X f cf c%
50-54 ___ 24 100%
45-49 ___ ___ _
40-44 2 ___ _
35-39 ___ ___ _
30-34 3 ___ _
25-29 ___ 14 58%
20-24 ___ ___ _
15-19 ___ 6 25%
10-14 1 ___ 4%
∑
7. Describe how and when are stem leaf displays utilized.
8. Use a stem and leaf display to organize the following distribution of scores: (use six stems)
36 47 14 19 65 52 47 42 11 25 28 39 32
34 58 57 22 49 22 16 33 37 23 55 44
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