Which medium do night visioning electronic systems such as Bendix XVision use to produce imaging?
A. doppler radar
B. infra-red
C. ultra-violet
D. microwave
Answer: B
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At the National Renewable Energy Laboratory (NREL) Web site, find information on the six biomass platforms and write a description of each platform.
What will be an ideal response?
What are the parallel sides of a trapezoid called?
Fill in the blank(s) with the appropriate word(s).
The driver rotates the steering wheel one-half of one revolution on a vehicle equipped with a steering gear with a 20:1 gear ratio. How many degrees will the front tires be rotated?
A) 0.1 degrees B) 11.1 degrees C) 90 degrees D) 9 degrees
In general a histogram is skewed to the left when the median is greater than the mean and to the right when the median is less than the mean. There are exceptions to this rule, however. Consider the following data set:
0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 2 2 2 3 a. Compute the mean and median. b. Based on the mean and median, would you expect the data set to be skewed to the left, skewed to the right, or approximately symmetric? Explain. c. Construct a histogram. Does the histogram have the shape you expected?