What is the range in this set of scores: 5,10, 15, 20, 25, 30, 35, 40, 45, and 50?
A. 5
B. 30
C. 45
D. 50
Answer: C
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A sample ready for analysis is a 1:2 dilution. Which of the following is true about this sample?
A) The volume of the sample is decreased by a factor of 2, and the concentration is decreased by 2. B) The volume of the sample is decreased by a factor of 2, and the concentration is increased by 2. C) The volume of the sample is increased by a factor of 2, and the concentration is decreased by 2. D) The volume of the sample is increased by a factor of 2, and the concentration is increased by 2.
Which of the following statements is NOT true about verbal communication?
A) It is auditory-based. B) It requires accuracy of the message. C) It requires clarity of the message. D) It is not affected by the sender's tone of voice.