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Write out expressions for all sums of squares (in terms of the temperatures yijk m , using the dot-and-bar notation), including the (corrected) total sum of squares and error sum of squares. Also specify their corresponding degrees of freedom. (d) For each term in the model (except the overall mean and error), use the rules to find an F -statistic for testing whether the term is present, assuming an unrestricted model. Do any of your answers change if you assume a restricted model instead?
At the 0.10 level of significance, is the coin biased toward heads? Show your decision rule and calculations.
Describe a simulation to estimate the probability of answering at least four of the ten questions correctly. carry out three repititons. estimate the probability
Draw a tree diagram depicting the sample space outcomes for this experiment.
What was the purpose of calculating a Cohen's d? When is a Cohen's d calculated? Interpret d=.90. What does it mean in this example?
The probability of contracting the kissing disease is .23 when one is exposed to a certain provocative environment. Sixty people are so exposed. What is the probability that no more than 10 are infected with this dreaded disease.
If the board wants to set the passing score so that only the best 80% of all applicants pass, what is the passing score? Assume that the scores are normally distributed. Round to the nearest whole number.
Calculate correlation coefficient for these sample data.
The average burglary rate for a particular jurisdiction has been 311 per year with a standard deviation of 50. What is the likelihood that the number of burglaries in the next year is between 250 and 300?
what is the equation that predicts mortgage amount from interest rate? Compute the slope of the straight line. compute the y-intercept of the straight line.
What is the power of such a study if a two-sided test is to be used with α = .05? How many people would need to be studied to have 80% power under the assumptions in problem A?
At the .05 significance level, can we conclude that the guideline is still reasonable?
How many different combinations of the clients could be considered for inclusion into his limited schedule for that day?
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