Q1A Solns

Q1A Solns - BUAD 310 Quiz 1A Solns Monday, February 5, 2007...

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BUAD 310 Quiz 1A Solns Monday, February 5, 2007   1. A B C D E 2. A B C D E 3. A B C D E 4. A B C D E 5. A B C D E 6. A B C D E 7. A B C D E 8. A B C D E 9. A B C D E 10.A B C D E 11.A B C D E 12.A B C D E 13.A B C D E 14.A B C D E 15.A B C D E 16.A B C D E 17.A B C D E 1
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18.A B C D E 19.A B C D E 20.A B C D E EXTRA CREDIT A B C D E 2
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1. If the wages of workers for a given  company are normally distributed with a  mean of  $15 per hour, then the proportion  of the workers earning more than $13 per  hour:  A) Is greater than the proportion earning  less than $13 per hour.  Soln: A)  Since $13 is below the mean, the  proportion of workers making  more  than that  will certainly be greater than 50%. Therefore,  the proportion making  less  than $13 will be  less. Since $18 is further from the mean than  $13, there will be a greater proportion below  that value than there will be above $13. 2. An identification of police officers by rank  would represent a(n) ____________ level  of measurement. B) Ordinal   Soln: B)  There is definitely an  ordering  to the  ranks of the officers, but there is no fixed  measurement to make the levels quantitative. 3. A student's grade on an examination was  transformed to a z value which is negative.  Therefore, we know that he scored:  D) Below the mean  Soln: D)  A negative z value indicates a  standardized value that falls  below the mean Some of the other responses might be true, but  we don’t know it from just the information  given. 4. All of the following are measures of central  tendency except the   A) Range   Soln: A)  By definition, the only measures of  central tendency we have covered are mean,  median, and mode. 5.
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Q1A Solns - BUAD 310 Quiz 1A Solns Monday, February 5, 2007...

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