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Five pair of shoes print length and height were used to conduct a formal hypothesis test of the claim that there is linear correlation between the two variables. Use the value of r .591and find the appropriate test statistics method at 0.05 significance level. Also based on the result compare and conclude whether it is reject hypothesis or fail to reject the null hypothesis.
have them both consider the question and then either give the common answer if they agree or, if they disagree, flip a coin to determine which answer to give?
How would the results of this survey be used in the workplace? Briefly describe correlational research. Name a variable from this study and one from the workplace that might prove to provide a correlational relationship.
1 a random sample of 60 college graduates results in a mean time to graduate of 4.58 years with a standard deviation of
Calculate the sensitivity and specificity of x-ray as a screening test for tuberculosis.
A researcher wishes to estimate the number of households with two cars. How large a sample is needed in order to be 95% confident that the sample proportion will not differ from the true proportion by more than 4%? A previous study indicates that ..
at a classic car auction you are interested in a 1940 ford standard tudor and decide to bid for the car. there is a
the data to the right represents the number of days of the growing season over the last 10 years in a certain area it
A steel ball weighing 128 pounds (mass= 4 slugs) is suspended from a spring. This stretches the spring 128/485 feet. The ball is started in motion from the equilibrium position with a downward velocity of 9 feet per second.
Assume you are using ANOVA to study some phenomenon. There are three treatment levels and a total of 17 people in the study. Complete the following ANOVA table.
in the binomial probability distribution let the number of trials be n 3 and let the probability of success be p
Develop a forecasting model, justifying its selection over other techniques, and project attendance through 2007.
in a study of 420006 cell phone users 164 subjects developed brain cancer. test the claim that cell phone users
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