TABLE 3-4 The Ordered Array Below Represents the Number of Cargo Manifests

question 148

Short Answer

TABLE 3-4
The ordered array below represents the number of cargo manifests approved by customs inspectors of the Port of New York in a sample of 35 days:
16, 17, 18, 18, 19, 20, 20, 21, 21, 21, 22, 22, 22, 22, 23, 23, 23, 23, 24, 24, 24, 25, 25, 26, 26, 26, 27, 28, 28, 29, 29, 31, 31, 32, 32
Note: For this sample, the sum of the values is 838, and the sum of the squared differences between each value and the mean is 619.89.
-Referring to Table 3-4, the standard deviation of the customs data is ________.

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Definitions:

Unique Risk

Nonmarket or firm-specific risk factors that can be eliminated by diversification. Also called firm-specific risk, nonsystematic risk, or diversifiable risk.

Diversification

Diversification is an investment strategy that aims to reduce risk by allocating investments among various financial instruments, industries, geographic locations, or other categories.

Portfolio

A collection of investments, such as stocks, bonds, commodities, and real estate, held by an individual or an institution.

Index Model

A statistical model to estimate the returns of a stock based on the returns of a broader market index.