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Please make up and discuss research examples corresponding to the various techniques introduced throughout this course. Describe a plausible study for each of the following statistical procedures, indicating how it would apply and what results you would predict. Also include information about the number of participants you would assess and how you would go about estimating effect size and statistical power (when relevant).
a. correlationb. multiple regressionc. t test for independent meansd. t test for dependent meanse. ANOVAf. chi square for goodness of fitg. chi-square test for independence
Determine the range, variance, and standard deviation for the sample data.
would this prove that they are exceeding their goal, using = .025?
Does drug have significant effect on aggression? Use an alpha level of .05, two tails.
Using goodness-of-fit test and.01 level of significance, find out whether accidents are evenly distributed all through the day. Write a short description of your conclusion.
What is the probability that the next 100 customers will spend an average of less than $56 on dinner?
Find out the constant using probability density function also cumulative distribution function. Assume X be a continuous random variable with probability density function.
What is the probability she received 5 or more email during the same period?
Determine the z values for 29 and 34 hours. What percent of the garages take between 32 hours and 34 hours to erect?
A manufacturer of 35-mm cameras knows that a shipment of 30 cameras sent to the large discount store contains 8 defective cameras. The manufacturer also knows that the store will choose two of the cameras at a random, test them, and accept the shi..
Calculate the coefficient of skewness and coefficient of variation of minutes spent commuting. What do these statistics tell us?
Run a regression of Y on X in Excel and turn in the output with a note explaining what the coefficients {correlation coefficient (multiple R), standard error, t-statistic and F-statistic} mean.
When the names of all the students at Omega University were dropped to a fishbowl, they would include:
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