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A study was recently conducted at a major university to determine whether there is a difference in the proportion of business school graduates who go on to graduate school within five years after graduation and the proportion of non-business school graduates who attend graduate school. A random sample of 400 business school graduates showed that 75 had gone to graduate school while in a random sample of 500 non-business graduates, 137 had gone on to graduate school. Based on these sample data, and testing at the 0.10 level of significance, what is the value of the test statistic?
What is the test statistic? Give answer to three decimal places What is the critical value? Give answer to three decimal places. The proper conclusion is to reject H0.
The consultant is given a sample of 225 batteries to test. A. Calculate the standard error of the mean.
A major benefit of two-way ANOVA over several one-way ANOVAs, If an F test for interaction is significant.
Assume you are the manager of a paint manufacturing factory. Your company has received complaints from customers that the containers hold less than the amount printed on them.
a large industrial firm allows a discount on any invoice that is paid within 30 days. of all invoices 10 receive the
In this assignment, you develop two purpose statements using the same data set (different purposes, same data) and will use regression and two sample hypothesis testing to analyze the same set of data. For example, you may want to determine if there ..
a redundant constraint is eliminated from a linear programming model. what effect will this have on the optimal
identify a peer-reviewed journal article health based published in the last 5 years that uses the poisson distribution.
Why does the sample size play such an important role in reducing the standard error of the mean? What are the implications of increasing the sample size?
there are 10 employees in a particular division of a company. their salaries have a mean of 80000 a median of 60000 and
Do men and women have different beliefs on the ideal number of children in a family? Based on the following GSS2008 Data and the obtained t statistics, what would you conclude?
consider the set of odd single-digit integers 13579.a make a list of all samples of sixe 2 that can be drawn from this
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