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Below are bowling scores for several UMUC statistics professors. Based on output from ANOVA, who is the better bowler (for those of you who don't bowl, a numerically higher score indicates a better score)?
John Mark Kathy157 180 156148 175 158150 165 145140 195 151160 185 166167 170 161
Apart from the math, what is ANOVA going to tell us about these data? How is ANOVA going to "look at" the data? What does ANOVA want to know?
Simply talk about the Excel steps - what buttons get pushed, when?
Is anything missing? Pushing the same buttons in step 3, can you get the same output?
Calculate the mean and standard deviation of the following data sets, then produce a five number summary and box plot of data.
The population of SAT scores forms a normal distribution with a mean of µ=500 and a standard deviation of o =100. If the average SAT score is calculated for a sample of n=25 students,
Analyze the data using linear contrasts to make the following comparisons:
Here is a simple probability model for multiple-choice tests. Assume that each student has probability p of correctly answering the question chosen at random from universe of possible questions.
Fit a linear regression model for bp against sodium. Do you think this is a model with a good fit? Why?
The weight of the oranges, in pounds (1 pound = 16 ounces) is a random variable with standard deviation
What is the probability that a roulette ball will come to rest on an even number other than 0 and 00?
Five cards are drawn from an ordinary deck without replacement. Find the probability of getting:
Which of these following statements provides the best guidance for the model building?
Based on these data, explain whether or not course attendance had any effect on determining of a restaurants violation of health code.
Find the sample mean and find the sample standard deviation - construct a confidence interval for the true population mean for body temperatures of healthy adults.
The university policy department must write, on average, five tickets per day to keep department revenues at budgeted levels. Suppose the number of tickets written per day follows a Poisson distribution with mean of 6.0 tickets per day. Find the p..
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