Essay

1- List five reasons for organizing information into a frequency Distribution. 1. To send info in a meaningful, intelligible way. 2. To change the lector 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 selective information. 5. To enable the reader to make comparison among different data sets. 2- cite the three types of frequency distributions, and Explain when from each one should be used. Types of absolute frequency Distributions: categorical, assort, and un classify 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 than one unit in length. Ungrouped data used when data is grouped into classes only one unit in length. 3- rout Limits Class Bound aries 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- inadequate 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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