Saturday

April 19, 2014

April 19, 2014

Posted by **Charlie** on Sunday, April 3, 2011 at 12:28pm.

a. A score of 144 on a test with a mean of 128 and a standard deviation of 34.

b. A score of 90 on a test with a mean of 86 and a standard deviation of 18.

c. A score of 18 on a test with a mean of 15 and a standard deviation of 5.

- statistics -
**rita**, Sunday, April 3, 2011 at 3:06pmAccording to a study by Stat & Associates PseudoScientific Consulting, the time interval between Atlantic hurricane of category 4 has a mean of 456 days and a standard deviation of 123 days. Suppose that you observe a sample of five (5) time intervals between successive category 4 hurricanes.

a. On average, what would you expect to be the mean of the five (5) time intervals?

**Related Questions**

statistics - Three students take equivalent stress tests. Which is the highest ...

graduate statistics - A nursing professor was curious as to whether the students...

social science statistics - a professor was curious to whether the students in a...

Stasistic - On a test whose distribution is approximately normal with a mean of ...

Math - On a test whose distribution is approximately normal with a mean of 50 ...

Statistics - Suppose that two different tests A and B are to be given to a ...

Statistics - Students were given an exam with 300 multiple-choice questions. The...

statistics probability - Alice earned a score of 940 on an IQ test.The mean test...

math - Adam took five tests and received a grade for each of them. The first ...

statistics - So if a scale has 30 items in it, and if an individual gets a score...