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5 Questions returned
No. & Date AskedQuestion
# 569 :: 12/21/08
Question 569 has been Answered
Faced with rising fax costs, a firm issued a guideline that transmissions of 10 pages or more should be sent by 2-day mail instead. Exceptions are all. . .

1-sample t-test, TDIST

# 502 :: 11/7/08
Question 502 has been Answered
Administrative staff based at a business school in the UK are advised to take a 15 minute break from their personal computer after working on it for 9. . .

Confidence Intervals, TDIST, t-test, Z-Score

# 432 :: 9/30/08
Question 432 has been Answered
Assume that the population of heights of male college students is approximately normally distributed with mean m of 68 inches and standard deviation s. . .

TDIST, t-score

# 320 :: 8/6/08
Question 320 has been Answered
Individual scores of a placement examination are normally distributed with a mean of 84.2 and a standard deviation of 12.8. If the score of an indi. . .

t-score, TDIST

# 309 :: 8/4/08
Question 309 has been Answered
A cereal company claims that the mean weight of the cereal in its packets is 14 ounces. The weights in ounces of the cereal in a random sample of 8 of. . .

1-sample t-test, TDIST, t-score, t-statistic