Solve the problem.For the following table of data, a.Draw a scatterplot.b.Calculate the correlation coefficient.c.Calculate the least squares line and graph it on the scatterplot.d.Predict the y-value when x is -23.
?
A. a.
b. -0.966
c. Y = 0.82x + 0.11
d. -18.97
B. a.
b. 0.966
c. Y = 0.82x - 0.11
d. -18.97
C. a.
b. -0.966
c. Y = -0.82x - 0.11
d. 18.75
D. a.
b. 0.966
c. Y = 0.82x + 0.11
d. -18.75
Answer: D
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What will be an ideal response?
Provide an appropriate response. Solve the following quadratic by factoring, rounding to the nearest hundredth, if necessary: 3x2 + 2 = -6x
A. x = 0.42, 1.58 B. x = 0.29, -2.29 C. x = -0.42, -1.58 D. x = 1.11, -1.79
Solve the formula for the specified variable.h = 
for a
A. a = 
h
B. a = 
C. a = 
h
D. a = 
h
Simplify.(7a - 1)2
A. 49a2 + 1 B. 7a2 - 14a + 1 C. 7a2 + 1 D. 49a2 - 14a + 1