A leading auto manufacturer claimed that a popular version of its minivan was available in the Midwest foran average price or $16, 000 with a standard deviation of $800. A consumer group doubted that report and surveyed 50 recent purchasers of the minivan to dispute the manufacturers claim. They came up with an average of $16, 277. Does this show that the manufacturer is making a false claim?

TESTS OF SIGNIFICANCE

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A leading auto manufacturer claimed that a popular version of its minivan was available in the Midwest foran average price or $16, 000 with a standard deviation of $800. A consumer group doubted that report and surveyed 50 recent purchasers of the minivan to dispute the manufacturer’s claim. They came up with an average of $16, 277. Does this show that the manufacturer is making a false claim?

A	One-Sample T Test for a Mean
B	Matched-Pairs T Test for a Mean
C	Two-Sample T Test for the Difference in Means
D	One-Sample Z Test for a Mean

Explanation:

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RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

TESTS OF SIGNIFICANCE