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August 2, 2015

Homework Help: statistics

Posted by tracy on Sunday, June 23, 2013 at 12:03am.

Consider the following bivariate data.

Point A B C D E F G H I J
x 3 4 2 1 7 2 1 0 4 2
y 1 7 3 3 6 6 5 0 6 2



(b) Calculate the covariance. (Give your answer correct to two decimal places.)


(c) Calculate sx and sy. (Give your answers correct to three decimal places.)
sx =
sy =

(d) Calculate r using formula 13.2. (Give your answer correct to two decimal places.)


(e) Calculate r using formula 13.3. (Give your answer correct to two decimal places.)

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