chapter 13 - 20 30 30 70 5 10 15 20 25 30 35 40 45 10 20 30...

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chp 13 p459 1. slope (b)= 1.1842 1.18 from the chart calls x calls y 2. intercept (a)= 18.94 18.5 from the chart 20 30 3. r squared = .5761 0.58 from the chart 40 60 4. r= 0.76 20 40 5. s(X)+ 9.19 30 60 s(y) 14.34 10 30 t test value 3.3 10 40 degree of freedom 8 20 40 t critical= 2.31 20 50 conclusion we reject ho and accept h1 there is a positive corrlatoin b
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Unformatted text preview: 20 30 30 70 5 10 15 20 25 30 35 40 45 10 20 30 40 50 60 70 80 f(x) = 1.18x + 18.95 R = 0.58 calls x calls y bw calls and sales t test is grater than critical Column B Linear Regression for Column B...
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chapter 13 - 20 30 30 70 5 10 15 20 25 30 35 40 45 10 20 30...

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