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A security analyst wishes to construct an index to reflect the changes in the price of five stocks in a certain portfolio. The following figures represent the average price and numbers of shares purchased for each stock for 1988-1990:
1988
1989
1990
Stock
Average Shares
Price Purchased
A
35 110
45 210
40 215
B
55 210
50 160
55 115
C
65 160
85 260
75 115
D
50 310
55 260
60 215
E
25 200
30 210
40 310
a. Construct an unweighted aggregate index using 1988 as a base year. What are the disadvantages of this type of index?
b. Construct a Laspeyers index using 1988 as a base year. What are the disadvantages of thus type of index?
c. Construct a Paasche index using 1988 as a reference base year. What are the disadvantages of this type of index?
The height of women at a school are basically distributed with mean 66.4 in. and standard deviation 3.7 in. Determine the range of heights centered about the mean in which:
Rum that were sold and the number of churches that were built. What do you think the explanation for this correlation might be?
Calculate, test, and interpret the relationship between two variables using the correlation coefficient.
Compute the relative dispersion of each group using the coefficient of variation. Comment on the difference in relative dispersion.
financial managers inc buy and sells a large number of stocks routinely for various accounts that it manages. portfolio
How many circuits should the company provide to ensure that an attempted call is blocked (because all circuits are busy) with probability less than 0.01?
Do creative people make better salespeople? Ten sales staff in a large company were given a creativity test (scores range from 0 to 20
Determine whether the evidence is enough to reject the salesperson's claim. Establish the Null and alternative hypothesis, and choose the right test statistics.
Response being average of morning and evening speeds. At each interchange, three settings of traffic lights are allotted at random to three Tuesdays. Examine the results using more traditional split-plot method.
If 100 percent of a days production is inspected whenever the sample of 10 gives 2 or more defectives, then what is the pobability that 100 percent of a days production will be inspected?
Average of $800 per month and a standard deviation of $50 per month. Find the probability that a randomly selected month had a personal call expense that falls below $650.
Find out annual break-even volume for the Rolling Creek Textile Mill.
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