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For the following situations, write out a research hypothesis:
a. Bob wants to know if the weight loss for his group on the chocolate-only diet is representative of weight loss in a large population of middle-aged men who are on a proteinonly diet.
b. The health department is charged with finding out if the rate of flu per thousand citizens for this past flu season is comparable to the rate of the last 50 seasons.
c. Blair is almost sure that his monthly costs for the past year are not representative of his costs over the past 20 years.
Construct a stem-and-leaf display for the data, using a leaf unit of 1.
provide an example of a situation where you could utilize correlation analysis calculating the coefficient of
How many water samples must the limnologist analyze to be 90% certain that the error of estimation does not exceed 0.8 milligrams?
Find the mean, variance, and standard deviation of the number of school children (out of the 40 selected) who buy and eat a snack at school
Try various values of s and p on the negative binomial distribution template and answer this question: How is the skewness of the negative binomial distribution affected by s and p values?
Forty people were asked to rank the similarities between six diff erent types of sodas. The average similarity rankings are shown in given Figure. Use this data to create a two-dimensional perceptual map for sodas.
Examine the residual files and produce appropriate residual plots to examine the assumptions. Are the Level-1 residuals normally distributed? Are the level-2 residuals multivariate normal? How do you know?
Concept Paper- Business Application Project Describe the decision oriented issue from your place of employment, (or another organization you work with), that you plan to study business in the application paper.
Find the 99% confidence interval for the true mean chloride level of all healthy Alaskan residents.
translate the following statements into equivilant formal expressionsa. some things are not owned by anyone.b. some
Explain whether x¯ or µ is the correct statistical notation for each mean described. The mean hours of study per week was 15 hours for a sample of n = -30.
State which of these errors (in blue) is the first type of error (rejecting the null hypothesis when it is actually true) and which is the second type of error.
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