Essay

1- List five reasons for organizing information into a frequency Distribution. 1. To stand up info in a meaningful, intelligible way. 2. To change the proofreader to determine the nature or shape of the distribution. 3. To facilitate computational procedures for measures of average and spread. 4. To modify the researcher to draw charts and graphs for the presentation of selective information. 5. To enable the reader to make comparison among different entropy sets. 2- paraphrase the three types of frequency distributions, and Explain when for each one should be used. Types of relative frequency Distributions: categorical, assort, and un group 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 to a greater extent than one unit in length. Ungrouped data used when data is grouped into classes only one unit in length. 3- gang 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- mismatched classes width b- Unequal classes width c- Unequal...If you want to get a salutary essay, order it on our website: OrderEssay.net

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