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The scores of individual students on the American College Testing (ACT) program composite College Entrance Examination have a normal distribution with mean 18.6 and standard deviation 6.0. What is the probability that a randomly selected individual student has a score of more than 19 in his ACT?
commercial fishermen in alaska go into the bering sea to catch all they can of a particular species salmon herring etc.
Read the case studies below and choose the appropriate correlation or regression procedure. Then, using the Correlation and Regression Data Set, run the appropriate correlation or regression procedure, analyze the data,
Find the probability that one or more of the five parolees will be repeat offenders. (Round your answer to three decimal places.)
We then counted the number of statements in the summary that can be classed as inferences. Assume inferences are interval measurement.
What does analysis of variance mean? One of the students answers this question as follows:
Would the results of this survey be considered a random sample - what type of bias might be associated with a data collection system such as this?
The following frequency distribution reports the number of frequent flier miles, reported in thousands, for employees of Brumley Statistical Consulting, Inc. during the first quarter of 2004.
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 sample of 10 randomly selected cars as they are about to leave the plant, in psi.
Under what circumstances should a nonparametric test be used? Explain. What are the strengths and weaknesses of nonparametric tests? Can the outcomes of nonparametric tests be generalized to populations?
part -1make sure you read the output carefully. this output pertains to a set of juvenile court data looking at the
using data collected from the fbi the number of registered automatic weapons and the murder rate were obtained for
Setup Null and Alternate hypotheses to test if average amount of soda in each can is less than 32 oz. Test the hypothesis using a = 0.05. What can you conclude from all this?
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