Mathematics, 25.06.2019 18:50 klawess4
Greg goldman, research analyst in the fixed-income area of an investment bank, needs to determine the average duration of a sample of twenty 15-year fixed-coupon investment grade bonds. goldman first categorizes the bonds by risk class and then randomly selects bonds from each class. after combining the bonds selected (bond ratings and other information taken as of march 31 of the current year), he calculates a sample mean duration of 10.5 years. assuming that the actual population mean duration is 9.7 years, which of the following statements about goldman's sampling process and sample is least accurate? a. goldman is using time-series data. b. the sample mean is a random variable. c. the sampling error is 0.8 years.
Answers: 3
Mathematics, 21.06.2019 16:30
What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1
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Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?
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Which equation represent the line that is perpendicular to the line 5x-2y=-6 and passed through the point (5,-4)?
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Greg goldman, research analyst in the fixed-income area of an investment bank, needs to determine th...
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