Descriptive-Statistics-Multiple-choice-questions-1 -v2

Document Sample

```					              Sub: Statistics                                                            Topic: Descriptive statistics

Question:

Multiple choice questions based on Weighted average, arithmetic
mean, mode and median
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Calculations on the Measures of Central Tendency

1. Last year a small statistical consulting company paid each of its five statistical
clerks \$22,000, two statistical analysts \$50,000 each, and the senior
statistician/owner \$270,000. The number of employees earning less than
the mean/average salary is: ____
HINT: CALCULATE THE WEIGHTED AVERAGE

(a) 0
(b) 4
(c) 5
(d) 6
(e) 7

Weighted Average =
Where:
Xi = salary
Wi = Weights

Therefore

5 * 22000 2 * 50000 1 * 270000                480000
x                                                                60000

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 views: 77 posted: 6/26/2010 language: English pages: 4
Description: Multiple choice questions based on Weighted average, arithmetic mean, mode and median
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