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Mean, Median, and Mode Distribution

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1. What are the mean, median, and mode of this distribution

1 2 "4" 5 5
___/____/____/___/____

2. If a small company had mostly low paid employees but one very high paid employee, what would be the most appropriate measure of central tendency to indicate the salary level of that company

3. N of 9: The SS turned out to be 32. Using these 9 as a sample, estimate the standard deviation of the population.

4. Inferential statistics are used to ____, ____, ____, unknown data from known data.

5. The distribution of scores 2,2,3,3,15 would be ________ skewed.

6. The preceding distribution of 2,2,3,3,15 has a mean of 5. What will the mean be if 10 points are added to the score of 15 (making it a score of 25).

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Mean, median and mode are investigated.

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1. What are the mean, median, and mode of this distribution

1 2 "4" 5 5
___/____/____/___/____

Mean = average of all numbers = (1+2+4+5+5) / 5 = 3.4

Median = data point where half numbers are below it; in this case it is = 4

Mode = number that repeats the most; in this case it is = 5

2. ...

Solution provided by:
Gaurav Agarwal, MS
Education
  • BE, Bangalore University, India
  • MS, University of Wisconsin-Madison
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