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No. & Date Asked  Question 

# 912 :: 12/3/11

Find the appropriate critical statistic for a two tailed test with 20 observations and alpha equal to 0.05.. . .
Critical Value,
tstatistic 
# 911 :: 12/3/11

Find the critical statistic for a one tailed test in the negative direction with 25 observations and alpha equal 0.01.. . .
Critical Value,
tstatistic 
# 910 :: 12/3/11

Find the appropriate critical statistic for : A one tailed test in the positive direction with 15 observations with alpha equal to 0.001.. . .
Critical Value,
test statistic 
# 909 :: 12/3/11

Find the critical statistic for: A two tailed test with 50 observations with alpha equal to .001.. . .
Critical Value,
t statistic 
# 676 :: 4/17/09

Consider testing Ho: μd ≤ 0 vs. Ha: μd = > 0 with n =20 and t∗ =1.95.
Place bounds on the pvalue using the table of “critical. . .
Studentt,
Student’s tdistribution,
Critical Value 
# 641 :: 3/2/09

In general, what is a “Critical Value” or “CutOff Score” of a test statistic. . .
Critical Value,
test statistic 
# 403 :: 9/22/08

Based on information obtained from a sample of 54, a 98% confidence interval for the average profit level of regional banks is given by 67.4 million t. . .
Standard Deviation,
Margin of Error,
Critical Value,
Confidence Intervals,
Confidence Level 
# 391 :: 9/18/08

An engineer in an automotive factory wishes to know what the tire pressure is on all cars leaving the factory. She measures the tire pressure on a sa. . .
Standard Error of the Mean,
tstatistic,
Confidence Intervals,
Critical Value 
# 315 :: 8/5/08

An engineer in an automotive factory wishes to know what the tire pressure is on all cars leaving the factory. She measures the tire pressure on a sa. . .
Standard Error of the Mean,
Standard Deviation,
Confidence Intervals,
Critical Value,
tstatistic 
# 263 :: 7/6/08

Determine the critical value Za/2 that corresponds to 94% level of confidence
Compute the 90% confidence interval about m if the sample size, n, is. . .
Critical Value,
Confidence Intervals,
Margin of Error 
# 176 :: 4/30/08

In a 0netail test (l side) with z score of 1.645, what are the percentages for critical value and noncritical value?. . .
OneTailed Area,
ZScore,
Critical Value 