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The NYPD precincts in Manhattan are numbered from 1 to 34. If the variable "precinct" is included in a dataset about crime in New York, the variable scale is:
What is Peter's median grade point at graduation? What is the shape of the grade point distribution?
What should the mean and standard deviation be if these were uniformly distributed random integers? Need to find Mean and Standard Deviation?
Use the traditional method to test the given hypothesis. Assume that the population is the normally distributed and that the sample has been randomly selected.
Historically, demand has been for 50, 100, or 150 units each week, so the company makes one of those run sizes. In the past, the manager of the department has made 100 units per week for regular production. A: Prepare a payoff table showing profit..
They then call these 100 people. Does this sampling plan result in a random sample? Simple random sample? Explain.
the diameter of a brand of ping-pong ball is approximately normally distributed with a mean of 1.30 inches and a
one-way analysis of variance anova test.the following is a partial anova table.sourcesum of squaresdfmean
Give a real world example of a situation where normal parametric tests would not be useful and where there is a need for nonparametric test methods. Be specific and explain why nonparametric tests are needed in that case.
there are 8 cds in a rack 5 are jazz and 3 are classic rock. two cds are selected at random one after the other with
The correlation between the two variables is 0.4. Hourly earnings are regressed on years of education. What is the slope of the OLS regression line?
A new book is being released and a bookstore predicts that 70% of customers that walk through the door on the release day will purchase the book.
question a random sample is taken from a population. the data points are 5 4 9 2 1a what is the mode?b calculate the
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