Essay

1- List five reasons for organizing information into a frequency Distribution.
1. To organise info in a meaningful, intelligible way.
2. To change the referee to determine the nature or shape of the distribution.
3. To facilitate computational procedures for measures of average and spread.
4. To enable the researcher to draw charts and graphs for the presentation of data.
5. To enable the reader to make comparison among different data sets.
2- quote the three types of frequency distributions, and Explain when each should be used.
Types of oftenness Distributions: categorical, assort, and ungrouped
Categorical used for data that can be grouped into categories e.g. nominal or ordinal level data.
Grouped data used when data can be grouped into classes more than one unit in length.
Ungrouped data used when data is grouped into classes only one unit in length.
3- syndicate Limits Class Boundaries Midpoints Class Width
12 18 11.5 18.5 15 7
56 74 55.5 74.5 65 19
695 705 694.5 705.



5 700 11
13.6 14.7 13.55 14.75 14.15 1.2
2.15 3.93 2.145 3.935 3.04 1.79
4- There should be between 5 and 20 classes. The class width should be an odd number. This ensures that the kernel of each class has the same place value as the limits.
5- A- unequal classes width
b- Unequal classes width
c- Unequal...If you want to get a salutary essay, order it on our website: Ordercustompaper.com



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