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Standard Deviation from a Frequency Distribution Here is a table of employee driving distance to work for a Company X. Find Mean, Mean Deviation and standard.

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Presentation on theme: "Standard Deviation from a Frequency Distribution Here is a table of employee driving distance to work for a Company X. Find Mean, Mean Deviation and standard."— Presentation transcript:

1 Standard Deviation from a Frequency Distribution Here is a table of employee driving distance to work for a Company X. Find Mean, Mean Deviation and standard deviation of the employees of Company X. Milage driven # of employees 0-510 5-1014 10-1510 15-206 20-255 25-305

2 Standard Deviation from a Frequency Distribution mean=(total class milage)/(total employees) Milage driven # of employees Class mark Total Class mileage 0-510 5-1014 10-1510 15-206 20-255 25-305 totalsxxxxxx

3 Standard Deviation from a Frequency Distribution Milage driven # of employees Class mark Total Class mileage 0-5102.525 5-10147.5105 10-151012.5125 15-20617.5105 20-25522.5112.5 25-30527.5137.5 totals50xxxxxx610

4 Standard Deviation from a Frequency Distribution Milage driven # of employees (f) Class mark Total Class mileage 0-5102.525 5-10147.5105 10-151012.5125 15-20617.5105 20-25522.5112.5 25-30527.5137.5 totals50xxxxxx610

5 Standard Deviation from a Frequency Distribution Milage driven # of employees (f) Class mark Total Class mileage Mean deviation |x-xbar| 0-5102.525|2.5-12.2| 5-10147.5105 10-151012.5125 15-20617.5105 20-25522.5112.5 25-30527.5137.5 totals50xxxxxx610

6 Milage driven# of employe es (f) Class mark Total Class mileage Mean deviation |x-xbar| MD*f 0-5102.5259.79.7*10 =97 5-10147.51054.7 10-151012.51250.3 15-20617.51055.3 20-25522.5112.510.3 25-30527.5137.515.3 totals50xxxx610xxxxx

7 Milage driven# of employe es (f) Class mark Total Class mileage Mean deviation |x-xbar| MD*f 0-5102.5259.7=97 5-10147.51054.7 10-151012.51250.3 15-20617.51055.3 20-25522.5112.510.3 25-30527.5137.515.3 totals50xxxx610xxxxx

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