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8 Questions returned
No. & Date AskedQuestion
# 910 :: 12/3/11
Question 910 has been Answered
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

# 895 :: 7/19/11
Question 895 has been Answered
In a sample of n = 36 selected from a population, where X = 96 and S = 12, what is the value of tSTAT if you are testing the null hypothesis H0: µ = 1. . .

1-sample t-test, test statistic

# 728 :: 5/23/09
Question 728 has been Answered
What hypothesis testing model (my “models” handout) would be used under each of the following conditions. Use the “model number” from my handout if y. . .

Statistical Model, test statistic

# 680 :: 4/17/09
Question 680 has been Answered
To test the null hypothesis that the mean waist size for males under 40 years equals 34 inches versus the hypothesis that the mean differs from 34, th. . .

test statistic

# 678 :: 4/17/09
Question 678 has been Answered
A particular candidate claims she has the support of at least 60% of the voters in her district. A random sample of 150 voters yields 87 who support h. . .

test statistic, Normal Approximation to Binomial

# 670 :: 4/13/09
Question 670 has been Answered
Assume that z is the test statistic and calculate the value of z∗ for testing the null hypothesis Ho: μ =150.0 when σ = 4.5, n=15, x(b. . .

test statistic, z-test

# 641 :: 3/2/09
Question 641 has been Answered
In general, what is a “Critical Value” or “Cut-Off Score” of a test statistic. . .

Critical Value, test statistic

# 424 :: 9/29/08
Question 424 has been Answered
A recent article in a computer magazine suggested that the mean time to fully learn a new software program is 40 hours. A sample of 100 first-time use. . .

1-sample t-test, Alternative Hypothesis , Null Hypothesis , test statistic, p-value