Use the Following Information to Answer the Question

question 2

Multiple Choice

Use the following information to answer the question. Bellei Extravecchio Balsamico Tradizionale is a very expensive brand of balsamic vinegar. A twelve ounce bottle typically costs two- hundred dollars or more. In a blind taste test, a group of food experts tasted three premium balsamic vinegars, with the most expensive one being Bellei Extravecchio Balsamico Tradizionale. When asked to pick the most expensive balsamic vinegar, 92 got it right and 76 got it wrong.
-If this group were just guessing, how many people (out of 168) would be expected to guess correctly?

• A)Not enough information given to calculate expected value.
• B)84
• C)70
• D)56

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Definitions:

One-way ANOVA

A statistical test that assesses whether there are statistically significant differences between the means of three or more unrelated groups.

T-test

A statistical test used to compare the means of two groups or to compare a sample mean to a known value, assessing whether differences are statistically significant.

F-test

A statistical test used to determine if there are significant differences between the variances of two or more groups.

Rejection Region

Rejection region is the range of values in hypothesis testing that leads to the rejection of the null hypothesis if the test statistic falls within this range.