Group 1 Written Report Standard Deviation for Group Data What is standard deviation? • The standard deviation provides some idea about the distribution of scores around the mean (average). The smaller the standard deviation, the more narrow the range between the lowest and highest scores or, more generally, that the scores cluster closely to the average score. Grouped Data Standard Deviation • Step by step calculation to measure the dispersion for the frequency distribution from the expected value or mean based on the group or range & frequency of data, provided with formula & solved example problems. By using this calculator, user can get complete step by step calculation for the data being used. The frequency distribution standard deviation formula along with the solved example let the users to understand how the values are being used in this calculation. It's one of a probability & statistics tools using the mid-point method to find the deviation of the grouped data.
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- Summer '17
- Standard Deviation