Which Barrier to Entry Is Demonstrated by Microsoft's MS-DOS Operating

question 26

Multiple Choice

Which barrier to entry is demonstrated by Microsoft's MS-DOS operating system?

• A)government policy
• B)switching costs
• C)cost disadvantages independent of size
• D)capital requirements
• E)economies of scale

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Definitions:

Analysis Of Variance

A statistical method used to determine the existence of differences among group means in a sample.

Rejection Region

The range of values for which the null hypothesis is considered improbable and hence rejected in hypothesis testing.

Significance Level

The probability of rejecting the null hypothesis when it is actually true, typically denoted by alpha (α).

Sample Size

The number of observations or specimens collected for a statistical study.