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What is the difference between the critical-value method and the p-value method of hypothesis testing?
Include in your post how the question's topic pertains to your health discipline.
The project requires you forecast the historical data, replicating the appropriate trends, seasonalities, week-over-week variability, etc. Please refer to the chapter and materials on Forecasting for the procedures to do.
You've been recently hired as a marketing analyst in an advertising agency. You are assigned the task of assessing the impact of direct marketing promotions.
Identify each of the random variables as continuous or discrete.
The manager of Sandy Corporation wants to determine whether or not the type of work schedule for her employees has any effect on their productivity. She has selected 15 production employees at random and then randomly assigned 5 employees to each ..
She then uses the mean and standard deviation of these values to estimate the mean value for all parts the operator is making. Construct a 95% confidence interval for the mean value assuming a normal distribution.
Calculate a 90% confidence interval for the percentage of homes in the US that had guns at the time of survey.
what is the sample space of all possible outcomes? Are the outcomes equally likely?
Choose an article that explains research using one or more statistical tests (z, t, ANOVA, chi square, regression) as part of data analysis. Explain the study using the following information:
Is the hot-air balloon significantly shorter than light rail? How can you tell? What do you tell university officials?
Construct a 90 percent confidence interval for the true mean weight. Describe factors which might cause variation in the weight of Tootsie Rolls during manufacture.
A question has these possible choices - excellent, very good, good, fair, and unsatisfactory. How many degrees of freedom are there using the goodness-of-fit test to the sample results?
Determine 95% confidence interval evaluate for average number of years served by all Supreme Court justices?
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