statistics and research methods case study task

Project Description:

case study task

project 1: ( )
1. obtain a set of 100 raw data pertaining to some business units.
2. construct a frequency distribution and histogram for the data using 7or 8 classes.
3. what can you observe from the histogram about the data
4. find mean, median and mode
5. find the sample standard deviation and variance
6. compare mean and median and state which you prefer as a measure of location for these data and why?
7. what is the co efficient of variation for this sample
8. what is the z score for your data that has max /min frequency
9. draw an ogive for this distribution and find median using this


note:
1. answers should be hand written
2. use of color diagrams are welcome
3. (copy and paste your excel output , if anything so)
4. provide the excel data sheet along with your project ( if used)
Skills Required:
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