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Women's heights have a mean of 63.6 in. and a standard deviation of 2.5 inches. Find the z score corresponding to a woman with a height of 70 inches and determine whether the height is unusual.
A random sample of 56 people measured accuracy w/ positive errors representing watches that are ahead of the correct time and negative rep. those behind the time.
Suppose an advertising agency is conducting a survey concerning the effectiveness of commercials during the Super Bowl.
question consider the following two designs for a 28-3 fractional factorial design.design inbsp design
Andrew and Brandon are two ambitious young men who were optimistic about the health supplements market in Southeast Asia and so they started a trading company a few months ago, called Alternative Health Pty Ltd ("AHPL"). Both are shareholders and ..
suppose x is uniform on 01 and y x. find the joint distribution function of x and
The standard deviation in the 12-month earnings per share for 10 companies in the airline industry was 4.27 and the standard deviation in the 12-month earnings per share for 7 companies in the automotive industry was 2.27
Compute the Kappa statistic and its standard error regarding reproducibility of the diagnosis of dyspnea in the clinic.
the repair time for air conditioning units is believed to have a normal distribution with a mean of 39 minutes and a
explain what will happen to the width of a confidence interval increase decrease or remain the same as a result of
Using the attached data set, please calculate a multiple regression that examines whether age, gender, and student's extroversion predict if a student wants the lecturer to be extroverted.
If the mean (Mu) diastolic blood pressure in a certain age group is 80, and the standard deviation (Sigma) is 10, what is the probability that, in a sample of 100, the sample mean (X) is > 85?
Compare and contrast a Difference of Means test with a Paired Difference test. What, fundamentally, are we testing for in each? When do you use the difference of means?
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