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# 309 :: 8/4/08

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. . .
1sample ttest,
TDIST,
tscore,
tstatistic 
# 320 :: 8/6/08

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. . .
tscore,
TDIST 
# 432 :: 9/30/08

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,
tscore 
# 502 :: 11/7/08

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,
ttest,
ZScore 
# 569 :: 12/21/08

Faced with rising fax costs, a firm issued a guideline that transmissions of 10 pages or more should be sent by 2day mail instead. Exceptions are all. . .
1sample ttest,
TDIST 