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For this research question:
Clearly identify the independent and dependent variables you would study.
Determine whether a one-tail or two-tail test is most appropriate and explain why.
Generate a testable null statistical hypothesis and an alternative statistical hypothesis.
Select an alpha level of .05, .01, or .001 and justify the statement
A research question, the independent and dependent variables you would study, an explanation of whether a one- or two-tail test is most appropriate, your testable null and alternative hypothesis, and an explanation of which alpha level you would select and a justification of the choice.
According to a recent poll, 53% of Americans would vote for an incumbent president. If a sample of 100 people results in 45% who would vote for the incumbent, test the claim that the percentage is 53%. Use a .10 significance level.
At the .05 significance level, is there a difference in the proportion of viewers watching the three channels?
Based on chi-square table, what is the most correct statement which can be made about the p-value for the test?
Find the critical value and test statistic value follows normal distribution.
M&M Milk Chocolate candies colors are not all the same proportion. Blue consist of 24% of the bag pieces while Brown & Red only 13% each. The following was found:
A simple random sample of 50 speeds (in mph) is obtained from cars traveling on a section of I-10 through Tallahassee. The sample has a mean of 72.3 mph and a standard deviation of 7.4 mph. Use a 0.05 significance level to test the claim that the ..
For monthly volume of 300 tables, find out total cost, total revenue and profit.
Let's further suppose that there was good interrater reliability on these frequency counts of behaviours and that they are interval/ratio level of measure, normally distributed, and independent observations.
Is this an ideal data collection method? Can the results be considered reliable? Can the gathered data be representative of the population?
What is the role of theory in research proposals? What are the elements of a study plan? Where might a beginning researcher lose logical flow among elements in a study plan? Why might that happen?
What is a discrete random variable and how does it differ from a continuous random variable? Give examples.
Compute the mean and variance of the following discrete probability distribution.
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