1.) An analyst the following frequency distrubution on the monthly returns for 5

Question

1.) An analyst the following frequency distrubution on the monthly returns for 50 selected stocks:

a. How many of the stocks had returns of 0 percent up to 10 percent?

b. What proportion of the stock had returns of 20 percent up to 30 percent?

c. How many of the stocks had returns less than 20 percent?

d. What proportion of the stocks had returns less than 10 percent?

Class (in percent) Frequency Relative Frequency Cumulative Frequency Cumulative Relative Frequncey -10 up to 0 8 0.16 8 0.16 0 up to 10 25 0.5 33 0.66 10 up to 20 15 0.3 48 0.96 20 up to 30 2 0.04 50 1

Explanation / Answer

a)

From the frequencies,

f(0 to 10) = 25 [ANSWER]

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b)

From the relative frequencies,

P(20 to 30) = 0.04 [ANSWER]

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c)

From the cumulative frequencies,

f(less than 20) = 48 [ANSWER]

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d)

From the cumulative relative frequencies,

P(less than 10) = 0.66 [ANSWER]

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