A USBased Internet Company Offers an On-Line Proficiency Course in Basic

question 80

Multiple Choice

A U.S.based internet company offers an on-line proficiency course in basic accounting.Completion of this online course satisfies the "Fundamentals of Accounting" course requirement in many MBA programs.In the first semester 315 students have enrolled in the course.The marketing research manager divided the country into seven regions of approximately equal populations.The course enrollment values in each of the seven regions are given below.The management wants to know if there is equal interest in the course across all regions. How many degrees of freedom are associated with the chi-square test and at = .05 determine the rejection point condition of the chi-square statistic.

• A)7,14.1
• B)6,12.6
• C)6,16.8
• D)7,12.0

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Definitions:

P(Z > 3.00)

The probability that a value Z, on a standard normal distribution, is greater than 3.00.

Area

In geometry, the measurement of the extent of a two-dimensional surface or shape, expressed in square units.

P(Z < 3.00)

A statistical expression indicating the probability of a standard normal variable being less than 3.00.

P(Z > 1.9)

The probability that a standard normal random variable Z exceeds the value of 1.9, commonly used in statistical analysis to find tail probabilities.