Figure 17-2
Rax Company Has Developed the Following Standards for One

question 25

Multiple Choice

Figure 17-2
Rax Company has developed the following standards for one of its products:
Direct materials
12 pounds * £14 per pound
Direct labour
3 hours * £18 per hour
Variable overhead
3 hours * £8 per hour
The following activities occurred during the month of October: $\begin{array}{ll}\text { Materials purchased } & 10,000 \text { pounds at } £ 13.60 \text { per pound } \\\text { Materials used } & 9,000 \text { pounds } \\\text { Units produced } & 800 \text { units } \\\text { Direct labour } & 2,500 \text { hours at } £ 19.00 \text { per hour } \\\text { Actual variable overhead } & £ 22,000\end{array}$ The company records materials price variances at the time of purchase.
-Refer to Figure 17-2. Rax's labour efficiency variance would be

• A)£4,300 unfavourable.
• B)£4,300 favourable.
• C)£1,800 unfavourable.
• D)£1,800 favourable.

Discriminate between independent and dependent variables in contingency table analysis.

Calculate expected values and understand their significance in hypothesis testing.

Apply the chi-squared test for goodness-of-fit and for contingency tables, understanding the interpretation of the test statistic and p-value.

Comprehend the rule of 5 for expected cell frequencies in contingency tables.

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Definitions:

External Cost

Costs that are not borne by the parties involved in an economic transaction but by other members of society.

Efficient Price

A price that reflects all available information and makes the best use of resources, minimizing waste and maximizing value.

Market Output

The total quantity of goods and services produced and supplied by firms in a market at a given price level and time period.

External Benefit

A positive effect experienced by individuals or groups who are not directly involved in an economic transaction or activity.