Posted by **tracy** on Sunday, June 23, 2013 at 7:45pm.

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.)

5.35 was my answer .

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

sx = 26 was my answer.

sy = 39 was my answer .

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

5.35 was my answer .

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

190.5 .

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