Consider the Following Hypothesis Problem $$\begin{array} { l l } n = 30 & H _ { 0 } : \sigma ^ { 2 } = 500 \\s 2 = 625 & H _ { \mathrm { a } } : \sigma ^ { 2 } ? 500\end{array}$$

question 13

Multiple Choice

Consider the following hypothesis problem. $$\begin{array} { l l } n = 30 & H _ { 0 } : \sigma ^ { 2 } = 500 \\s 2 = 625 & H _ { \mathrm { a } } : \sigma ^ { 2 } ? 500\end{array}$$ The null hypothesis is to be tested at the 5% level of significance.The critical value(s) from the chi-square distribution table is(are)

• A) 42.557.
• B) 43.773.
• C) 16.047 and 45.722.
• D) 16.791 and 46.979.

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Definitions:

Machine-hours

A measure of the operating time of machines or equipment, typically used as a basis for allocating manufacturing overhead in product costing.

Supplies Costs

Supplies costs are expenses related to the consumable items used in the operation of a business, not directly part of the finished product.

Spending Variance

involves the comparison of actual spending to what was budgeted, highlighting differences that management needs to address.

Static Planning Budget

A budget based on a fixed level of activity, created at the start of a budgeting period, which does not change with actual levels of activity.