The Coffee/soup Machine at the Local Bus Station Is Supposed

question 87

Multiple Choice

The coffee/soup machine at the local bus station is supposed to fill cups with 6 ounces of soup.Ten cups of soup are brought with results of a mean of 5.93 ounces and a standard deviation of 0.13 ounces.Construct a 99% confidence interval for the true machine-fill amount.

• A)[5.888 5.972]
• B)[5.814 6.046]
• C)[5.716 6.144]
• D)[5.824 6.036]
• E)[5.796 6.064]

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Definitions:

Contingency-table Test

A statistical test used to determine whether there is a significant association between two categorical variables.

Expected Cell Frequency

In the context of a contingency table, it is the number of observations expected in a cell based on the hypothesis being tested.

Chi-square Test of Independence

The Chi-square Test of Independence is a statistical test used to determine if there is a significant relationship between two categorical variables.

Degrees of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution or to a system without violating any constraint.