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h5 due october 31 - NEW YORK UNIVERSITY DEPARTMENT OF...

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NEW YORK UNIVERSITY DEPARTMENT OF ECONOMICS ECON-UB.18.011: Statistics, Fall 2011 HOMEWORK 5 DUE MONDAY OCTOBER 31 2011 BEFORE 5PM in your TA’s mailbox on the 6th fl oor, 19 West 4th Street . Problem 1 Create 500 samples of size 25 from a uniform distribution in the interval (1,3) [Minitab: calc random data uniform generate 500 rows of data, and store in C1,C2,...C25.] A) Create the histogram for the sample means. Calculate descriptive sta- tistics. Are they what you would expect? Brie fl y explain. [Minitab: calc column statistics mean input variable is C1,C2,...C25. Namely, compute the mean for each column separately.] Problem 2 Create 500 samples of size 25 from an experiment involving a toss of fair coin. A) Create the histogram for the sample means. Calculate descriptive sta- tistics. Are they what you would expect? Brie fl y explain. Problem 3 Create 500 samples of size 25 from a normal distribution with mean equal to 3 and variance equal to 4.
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