A Chi-Square Goodness of Fit Test for a Normal Distribution

question 82

Multiple Choice

A chi-square goodness of fit test for a normal distribution used 60 observations, and the mean and standard deviation were estimated from the sample. The test used seven categories. We would use how many degrees of freedom in looking up the critical value for the test?

• A)6
• B)4
• C)59
• D)57

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Definitions:

Consumer Price Index

A scale that quantifies the average alteration over time in the prices that urban buyers allocate for a specific group of consumer products and services.

Basket of Goods

A fixed set of consumer products and services valued on an annual basis to measure inflation in an economy or specific market.

Government Surveys

Data collection tools used by governments to collect information about populations, economic indicators, public opinions, or conditions within the country.

Consumer Price Index

A measure that examines the weighted average of prices of a basket of consumer goods and services, such as transportation, food, and medical care, used to monitor inflation.