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 = -0.923 when n = 6 at ? = 0.05
A. No
B. Yes
Answer: B
Mathematics
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Let U = {q, r, s, t, u, v, w, x, y, z}, A = {q, s, u, w, y}, B = {q, s, y, z}, and C = {v, w, x, y, z}. List the elements in the following set.
A. {t, v, x} B. {r, t, u, v, w, x, z} C. {q, s, t, u, v, w, x, y} D. {s, u, w}
Mathematics
Write the rate as a simplified fraction. Then write the rate in word form.276 miles for 42 quarts of gas
A. 
46 quarts of gas for every 7 miles
B. 
46 miles for every 7 quarts of gas
C. 
276 miles for every 7 quarts of gas
D. 
6 miles for every 7 quarts of gas
Mathematics
Divide and round to the nearest hundredth.0.7898 ÷ (-0.339)
A. -0.27 B. -2.33 C. 0.27 D. 2.33
Mathematics
Perform the indicated operation.
A. 
B. 
C. 
D. 
Mathematics