Table 6-D
the Table Below Shows How Total Cost Varies

question 80

Multiple Choice

Table 6-D
The table below shows how total cost varies with output in a factory producing watches:
$$\begin{array} { c c } \begin{array} { c } \text { Output } \\\text { (Per Week) }\end{array} & \begin{array} { c } \text { Tatal Cost } \\\text { (Dollars) }\end{array} \\\hline 0 & \$ 50 \\1 & \$ 60 \\2 & \$ 65 \\3 & \$ 69 \\4 & \$ 72 \\5 & \$ 95 \\6 & \$ 120\end{array}$$
-Refer to Table 6-D.If the output equals four watches per week, then the average total cost of producing a watch equals:

• A)$72.
• B)$3.
• C)$18.
• D)$5.50.
• E)none of the above.

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Definitions:

Standard Error

A statistic that measures the dispersion or variability of a sample statistic from the population parameter, used to infer the precision of the sample mean.

Null Hypothesis

A statement used in statistical testing that proposes no significant difference or effect, serving as a default position until evidence suggests otherwise.

Sample Proportion

The part of a sample that has a particular attribute, often used in statistical analysis.

Margin of Error

An indicator of the confidence in the results of a survey or experiment, reflecting the maximum expected difference between the true population parameter and a sample estimate.