Ivo Dinov
UCLA Statistics, Neurology, LONI

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STAT 13 (1a, 1b, 1c, 1d)

Introduction to Statistical Methods for the Life and Health Science

Department of Statistics

Instructor: Ivo Dinov

Homework 1
Due Date: Wednesday, Jan. 18, 2012

Please, submit your homework right before lecture on the due date. See the HW submission rules. On the front page include the following header.

(a) Find the Median  number of bristles.
(b) Find Q1 and Q3.
(c) Make a histogram plot of the number of bristles.
(d) Suppose the sample (number of bristles) mean is 38.45 and the sample SD is 3.20. What percentage of the observations fall within 1 SD of the mean?

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