# QNT561 answers - 1) A.Mean B.Median C.Mode D.Geometricmean...

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1) Which of the following measures of central location is affected most by extreme values?  A. Mean B. Median C. Mode  D. Geometric mean 2) Which level of measurement is required for the median?  3) Which level of measurement is required for the mode?  4) In a set of observations, which measure of central tendency reports the value that occurs  most often?  5) The weighted mean is a special case of what?  A. Mean  B. Median C. Mode D. Geometric mean 6) A sample of 5 companies were examined for changes in their relative  market share . The  results showed the following increases and decreases: –5, 10, 10, 5, –10.

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7) The difference between the sample mean and the population mean is called the  8) A local  trade  union consists of plumbers and electricians. Classified according to rank:  Apprentice Journeyman Master Total Plumbers  25 20 30 75 Electricians 15 40 20 75 40 60 50  A member of the union is selected at random. Given that the person selected is an  electrician what is the probability that the person is a master? 9) Suppose a population consisted of 20 items. How many different samples of n = 3 are  possible?  A. 6840 B. 1140 C. 20 D. 120 10) The mean and the variance are equal in
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