TABLE 6-6 According to Investment Digest, the Arithmetic Mean of the Annual

question 28

Short Answer

TABLE 6-6
According to Investment Digest, the arithmetic mean of the annual return for common stocks from 1926-2010 was 9.5% but the value of the variance was not mentioned. Also 25% of the annual returns were below 8% while 65% of the annual returns were between 8% and 11.5%. The article claimed that the distribution of annual return for common stocks was bell-shaped and approximately symmetric. Assume that this distribution is normal with the mean given above. Answer the following questions without the help of a calculator, statistical software or statistical table.
-Referring to Table 6-6, 10% of the annual returns will be at least what amount?

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Definitions:

AASB 116

This Australian Accounting Standards Board standard pertains to Property, Plant, and Equipment, covering its recognition, measurement, and disclosure.

IAS 16

International Accounting Standard that prescribes the accounting treatment for property, plant, and equipment.

AASB 141

Refers to the Australian Accounting Standards Board's standard on Agriculture, which guides how agricultural activities and products should be accounted for and reported in financial statements.

IAS 41

An International Accounting Standard that requires agricultural activity's biological assets and agricultural produce to be measured at fair value less costs to sell.