The Cartesian coordinate location of 34,78 represents a point that is:

a. 34 units from the origin in the X direction and 78 units from the origin in the Z direction
b. 34 units from the origin in the X direction and 78 units from the origin in the Y direction
c. 78 units from the origin in the X direction and 34 units from the origin in the Z direction
d. 78 units from the origin in the X direction and 34 units from the origin in the Y direction


b. 34 units from the origin in the X direction and 78 units from the origin in the Y direction

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To construct a confidence interval for each of the following quantities, say whether it would be better to use paired samples or independent samples.

a. The mean difference in height between identical twins. b. The mean difference in height between men and women. c. The mean difference in apartment rents between apartments in two different cities. d. The mean difference in apartment rents in a certain town between this year and last year.

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Automatic expansion valves are good at maintaining a constant:

A) Density. B) Viscosity. C) Flow. D) Temperature.

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Steam is circulated through a steam heating system

A) Because of the density difference between steam and water B) Using steam circulating pumps C) Using external drive steam compressors D) using large diaphragm pumps

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When a tandem axle truck is equipped with a 6S/4M split configuration, how are the brakes on the drive axles modulated during ABS braking?

A. each wheel is modulated individually B. rear wheels on each side of the truck are modulated as a pair C. brakes on each axle are modulated as a pair D. brakes are modulated in a set sequence regardless of retarding velocity

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