# MC.docx - Question 1 The overall upward or downward pattern...

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Question 1 The overall upward or downward pattern of the data in an annual time series will be contained in the ________ component A) trend B) cyclical C) irregular D) seasonal
Question 2 The amount of tea leaves in a can from a particular production line is normally distributed with μ = 110 grams and σ = 25 grams. What is the probability that a randomly selected can will contain between 100 and 110 grams of tea leaves? Answer as a decimal to four places.
Question 3 True or False: Given a data set with 15 yearly observations, a 3-year moving average will have fewer observations than a 5-year moving average. Select one:
Question 4 The method of moving averages is used
Question 5 Which of the following statements about moving averages is not true? A) It gives equal weight to all values in the computation. B) It can be used to smooth a series. C) It is simpler than the method of exponential smoothing. D) It gives greater weight to more recent data.
Question 6 The following table contains the number of complaints received in a department store for the first 6 months of last year. Month Complaints January 36 February 45 March 81 April 90 May 108 June 144 6) If a three-month moving average is used to smooth this series, what would be the second calculated value? 6) _______
Question 7 True or False: The "middle spread," that is the middle 50% of the normal distribution, is equal to one standard deviation. Select one:
Question 8 If an economist wishes to determine whether there is evidence that mean family income in a community equals \$50,000,