ECO154 35367 Obaka Consulting pays its sales people N 6.50, N 7.50 or N 8.50. The corresponding weight is 14, 10 and 2 respectively. Determine the weighted average mean. D N 7.01 N 7.02 N 7.03 N 7.04
ECO154 35366 If a final examination in a course is weighted 3 times as much as a quiz and a student has a final examination grade of 85 and quiz grades of 70 and 90, calculate the mean grade. D 80 81 82 83
ECO154 35374 Ugbede Ayibu, a Clerk earned N15, 000 in 1990 and N25, 000 in 1995. If the average CPI (1990 = 100) for 1995 was 320; What was his physical salary in 1995? A N25, 000 N7,812.50 N 10, 000 N48, 000.
ECO154 35365 A statistical table is an orderly presentation of data in___________ and ___________ C verticals and columns horizontals and columns rows and columns rows and verticals
ECO154 35370 A graph is a pictorial presentation of the relationship between what? A variables figure data information
ECO154 35368 The median of a set of grouped data can be determined geometrically in two ways. What are they? C From a histogram and From a frequency curve From a chart and From a cumulative frequency curve From a histogram and From a cumulative frequency curve From a cumulative histogram and From a cumulative frequency curve
ECO154 35373 The price of a television set in 2014 and 2015 were N46,000 and N62,000 respectively. Compute the price relative using 2014 as the base year. B 1.338 1.348 1.341 1.344
ECO154 35369 By definition, standard deviation is the square root of the arithmetic mean of the sum of squares of deviation of the values in the distribution from what? C range mode mean median
ECO154 35371 For a mesokurtic distribution, what is K? A k = 0.263 k > 0.263 k < 0.263 k ≠0.263
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