Assume that a sample of bivariate data yields the correlation coefficient, r, indicated. Use the critical values table for the specified sample size and level of significance to determine whether a linear correlation exists.r = 0.305 when n = 5 at ? = 0.05
A. No
B. Yes
Answer: A
Mathematics
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Multiply or divide.
A. -0.7 B. -1.7 C. -17 D. -7
Mathematics
Graph the piecewise-defined function 
if 
if 
, and
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.
What will be an ideal response?
Mathematics
Convert the improper fraction to a mixed number.
A. 5
B. 
C. 6
D. 7
Mathematics
Express the function in terms of its cofunction.sin 4°
A. sin 94° B. cos 4° C. csc 86° D. cos 86°
Mathematics