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Consider the following bivariate data. Point A B C D E F G H I J...

Consider the following bivariate data.

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

(a) Construct a scatter diagram of the given bivariate data. (Do this on paper. Your instructor may ask you to turn in this work.)

(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.)


math   Statistics-And-Probability   
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Answer #1

Solution- iven dala <a) Scalles iogrom . (17) 13,4) to*) E,H Value) taring ση งื่.aris tO T 63+6+2+ot3 IO 31 1O17-4 17-3.1% 3.3 | (-3)(3.3)--9.9 --3 464-906-3.2.3(o)(2.3) - o 6-9 2 4-3, -0. 3 | (2)(0.3) 0, 6 2-3,7=-1.71 (3)(-1.ר(--5.1 6-3,ך= | ) 1()2.3(-~3. o1) . 2.3 = a-8 Cov (x,y) - -93 +0-40.6 +0 2.3-S. o2.3 2.8 10 1= 14,8889 S2.211 sr= 2.211 10-1 10-89ナ5.29+ O. 49 + 0,09 + 13,69十5.29十2.89ナ13.69+5.29+0. 58.I (d) Calculation (2.211)( 2.541) I.44 S, 61766 NOTE- quuilion-THANK YOo

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