= 5.6 ,
= 3
Sxx = X2 -
n
2
= 194 - 5 * 5.62 = 37.2
Syy = y2 - n
2
= 47.5 - 5 * 32 = 2.5
Syy = x y -
n
= 92.5 - 5
* 5.6 * 3 = 8.5
Correlation coefficient r = Sxy / sqrt ( Sxx * Syy)
= 8.5 / Sqrt( 37.2 * 2.5)
= 0.881
Question9 Current Attempt in Progress Use StatKey or other technology to find the correlation for the...
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Chapter 2, Section 5, Exercise 176 7 6 2 5 X 3 4 3.5 Use StatKey or other technology to find the correlation for the following data. 3 2.5 Y 2 Click here to access Statkey. tion Round your answer to three decimal places. The correlation is the absolute tolerance is +/-0.001 the point Potential policy set by your instructor
Chapter 2, Section 5, Exercise 176
Use StatKey or other technology to find the correlation
for the following data.
Chapter 2, Section 6, Exercise 200
Two variables are defined, a regression equation is given, and
one data point is given.
Hgt
=
height in inches
Age
=
age in years of a child
Hgt^
=
23.8+2.71(Age)
The data point is a child 12 years old who is 60 inches tall.
YES OR NO?
X35276 Y232.553.45 Click here...
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hapter 2, Section 6, Exercise 207 45 se Statkey or other technology to find the regression line to predict Y from X using the following data. х 20 25 30 35 Y 506 508 499 464 Click here to access Statkey. Round your answers to two decimal places 40 415 50 412 55 367 422 The regression equation is Click if you would like to show Work for this questioni Open Show Work
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