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In a survey of 385 students, 154 prefer red and 231 prefer blue. Test the claim at the .03 significance level that the proportion of students who prefer red is less than 35%. Show hypothesis testing procedure including null and alternative hypothesis, the calculation of the test statistic, and the correct wording of the final conclusion.
The next table shows the results of this independent t-test. At the .05 significance level, can we conclude that there is a difference in their mean times? Explain these results to a person who knows about the t test for a single sample but is unf..
It takes light 35.2 minutes to travel from Earth to Jupiter. a. How many miles is it to Jupiter?
We are asked to test for independence between age (i.e., adult and teen) and drink preferences.
Ran parts and found 1% defective(1 out of 100). Made a change to the process and want to rerun parts. How many parts do we need to check (and find 0% defective) for a 90% confidence factor
In a study of 6-11 year old elementary school children, data shows a strong positive correlation between measures of physical coordination
What are the dichotomous outcomes for the related-samples sign test? Explain how to interpret the test statistic T.
This week you will develop a fictitious problem and data set that utilizes specific statistics to analyze the data. The goal of this project is to allow you to demonstrate your cumulative knowledge and to operationalize your learning in a scholarl..
Assume that they are a random sample of items, and use a significance level of 0.05 to test the hypothesis that the Navy commissary has a lower mean price.
When one of the five predictor variables in the preceding example is elimi- nated from the analysis, the value of R2 drops from 0.75 to 0.71. What does this tell us about the variable that was dropped?
What processes do you use to maximise participation in the organisation development process?
include a title page with your assignment in current apa. answers must be clearly labeled and appear in consecutive
the cost function of a company depends on an external variable k2k-3c3000012xfind the value of k so that the fixed cost
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