Sample Questions
Statistics II
Correlation
a) 3,757.0.
b) 628.8.
c) 137.0.
d) 25.1.
e) None of the above.
a) 0.828.
c) 0.883.
d) 2.717.
a) 463.4.
b) 137.0.
c) 22.717.
d) 19.3.
a) 4.543.
b) 2.828.
c) 62.91.
d) 628.8.
a) 0.005.
b) -0.995.
c) 1.995.
d) 0.995.
a) 0.752.
b) -0.752.
c) -0.248.
d) -0.638.
a) 0.330.
b) 0.752.
c) -0.033.
d) 0.001.
a) [-1.0, -0.687].
b) [0.687, 0.815].
c) [0.0, 0.687].
d) [-0.815, -0.687].
a) -4.77.
b) 22.8.
c) -22.8.
d) -2.8.
a) Reject H0. The hours of employee training and the number of machine misfunctions have an inverse linear relationship.
b) Reject H0. The hours of employee training and the number of machine misfunctions do not have an inverse linear relationship.
c) Do Not Reject H0. The hours of employee training and the number of machine misfunctions have an inverse linear relationship.
d) Reject H0. The hours of employee training and the number of machine misfunctions have a direct linear relationship.
a) 0.177.
b) 0.823.
c) 0.749.
d) -0.823.
a) 0.075.
b) 0.063.
c) 0.238.
d) 0.057.
a) [0.935, 0.712].
b) [0.572, 0.872].
c) [-0.712, -0.935].
d) [0.712, 0.935].
a) 14.5.
b) 7.3.
c) 3.1.
d) -14.5.
a) Reject H0. The daily maximum temperature and the number of kilowatt-hours of electricity used have an inverse linear relationship.
b) Do Not Reject H0. The daily maximum temperature and the number of kilowatt-hours of electricity used have a direct linear relationship.
c) Reject HA. The daily maximum temperature and the number of kilowatt-hours of electricity used have a direct linear relationship.
d) Reject H0. The daily maximum temperature and the number of kilowatt-hours of electricity used have a direct linear relationship.
a) -0.133.
b) 0.133.
c) 0.319.
d) 0.033.
a) -0.071.
b) 0.266.
c) 0.046.
d) 0.071.
a) [0.271, -0.006].
b) [-0.006, 0.271].
c) [-0.006, -0.271].
d) [0.006, 0.271].
a) 0.19.
b) 2.78.
c) 1.87.
d) -1.87.
a) Do Not Reject H0. The number of miles driven and the number of traffic events do not have a direct linear relationship.
b) Do Not Reject H0. The number of miles driven and the number of traffic events do not have an inverse linear relationship.
c) Do Not Reject H0. The number of miles driven and the number of traffic events do not have a direct non-linear relationship.
d) Reject H0. The number of miles driven and the number of traffic events have a direct linear relationship.
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