8 Answered Questions for the topic deviation

10/07/20

#### What is the proportion

It is estimated that the mean life span of concrete drill bits is 20 hours. Suppose a construction company purchases drill bits that have a lifespan that is approximately normally distributed with...
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01/29/18

#### Percent Deviation from Ideality

Using the Ideal Gas equation I calculated a temperature of 162K, and with the Van der Waals equation 177K.
I need to find the percent deviation from ideality.
Is this correct?
177-162 x...
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09/12/17

#### Would it be unusual for one of the test subjects to have a pulse rate of 127.8 beats per minute?

A certain group of test subjects had pulse rates with a mean of 84.6 beats per minute and a standard deviation of 11.6 beats per min.
For some reason, I keep getting the incorrect answer for...
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12/12/16

#### find the standard deviation

SS = 120 and score or (n) is 30. how do I compute the standard deviation with no individual scores. Variance is 4.14

03/30/16

#### Standard Deviation

Consider a nationally recognized standardized college admissions test with scores that are normally distributed, centered at a mean of 21, and have a standard deviation of 4.5. Use the 68-95-99.7...
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02/05/16

#### How to do these questions?

The heart rates for puppies are normally distributed, with a mean heart rate of 180 beats per minute (60-160 beats per minute for most adult dogs) with a standard deviation of 6 bpm (beats per...
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Deviation

11/24/14

#### 15. The National Football League (NFL) polls fans to develop a rating for each football game

15. The National Football League (NFL) polls fans to develop a rating for each football game (NFL website, October 24, 2012). Each game is rated on a scale from 0 (forgettable) to 100 (memorable)....
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