Assume You Have Two Questions of the Same Format,a 5-Point

question 72

Multiple Choice

Assume you have two questions of the same format,a 5-point scale measuring importance level.One question measures importance of prices in the selection of a restaurant and the other measures food quality.If you want to know if the two mean scores to each question are significantly different,you would use:

• A)a z test of the differences between two percentages.
• B)a paired samples test for the differences between two means.
• C)an independent samples t test.
• D)a two mean comparison z test.
• E)a two question,mean comparison test.

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Definitions:

Margin of Error

An expression of the amount of random sampling error in survey results.

Population Mean

The population mean is the average value of all the items in a population.

Population Proportion

The ratio of members in a group to the total population who have a particular characteristic.

Registered Voters

Individuals who have completed the necessary procedures to be eligible to vote in an election.