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A factory manager selected a random sample of parts produced on an old assembly line and a random sample of parts produced on a new assembly line. The difference between the sample proportion of defective parts made on the old assembly line and the sample proportion of defective parts made on the new assembly line (old minus new) was 0.006. Under the assumption that all conditions for inference were met, a hypothesis test was conducted with the alternative hypothesis being the proportion of defective parts made on the old assembly line is greater than that of the new assembly line. The p-value of the test was 0.018. Which of the following is the correct interpretation of the p-value?
Referring to the table above, the researcher was attempting to show statistically that the female MBA graduates have a significant lower mean starting salary than the male MBA graduates
Is there any evidence to suggest that the true proportion of chest hits is greater in Lancashire than in West Mercia? Use a = 0.01.
Describe the purpose of the link function of a GLM. What is the identity link? Explain why it is not often used with binomial and Poisson responses.
why is the t-test more widely useful for hypothesis testing compared to a
What particular measure of correlation would be most appropriate for use with two variables measured at an ordinal level?
the random variable x the time to failure in thousands of miles driven of the signal lights on an automobile has a
1 examine the given statements then express the null hypothesis and alternative hypothesis in symbolic form. be sure to
A union leader in the Maritime Workers' Union believed that workers at the Port of Brisbane were receiving a lower weekly salary than workers at Port Kembla. To determine whether this claim was valid
What is a scatterplot? - What happens when a scatterplot shows the relationship to be curvilinear?- What is a regression equation? How might an employer use a regression equation?
Hot hand. A basketball player who ordinarily makes about 55% of his free throw shots has made 4 in a row. Is this evidence that he has a hot hand tonight?
sales 2363 2.1 advertising - 279 price - 136 unemplpyment r2 .76units of measurement sales is in product units
Manufacturing and Product Development In an effort to improve efficiency, Samuel Adams brewing company would like to produce yeast slurry with variance.
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