SCENARIO 19-3 A Quality Control Analyst for a Light Bulb Manufacturer Is

question 77

Multiple Choice

SCENARIO 19-3
A quality control analyst for a light bulb manufacturer is concerned that the time it takes to produce a batch of light bulbs is too erratic.Accordingly,the analyst randomly surveys 10 production periods each day for 14 days and records the sample mean and range for each day.

-Referring to Scenario 19-3,suppose the sample mean and range data were based on 11 observations per day instead of 10.How would this change affect the lower and upper control limits of the R chart?

• A)LCL would increase;UCL would decrease.
• B)LCL would remain the same;UCL would decrease.
• C)Both LCL and UCL would remain the same.
• D)LCL would decrease;UCL would increase.

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Definitions:

Activity Variances

The differences between planned activity levels and actual activity levels, and the impact of these differences on a company's costs.

Personnel Expenses

Costs associated with employee compensation, including wages, salaries, benefits, and taxes.

Cost Drivers

Factors that cause the cost of an activity or process to change.

Students

Individuals enrolled in an educational institution or program, engaged in learning and academic studies.