TABLE 14-4 A Factory Supervisor Is Concerned That the Time It Takes

question 20

Short Answer

TABLE 14-4
A factory supervisor is concerned that the time it takes workers to complete an important production task (measured in seconds) is too erratic and adversely affects expected profits. The supervisor proceeds by randomly sampling 5 individuals per hour for a period of 10 hours. The sample mean and range for each hour are listed below.

She also decides that lower and upper specification limit for the critical-to-quality variable should be 10 and 30 seconds, respectively.
-Referring to Table 14-4, what is the value of d₂ factor?

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Definitions:

Rosa Parks

An African American civil rights activist whose refusal to give up her seat on a segregated bus in Montgomery, Alabama, in 1955 led to a citywide boycott and became a symbol of the fight against racial segregation.

Predatory Lending

Unethical practices by lenders who impose unfair and abusive loan terms on borrowers, often through high interest rates or unreasonable fees.

Loans

Money, property, or other material goods given to another party in exchange for future repayment of the loan value amount with interest or other finance charges.

Market Averages

Statistical measures that provide a snapshot of the overall movement and health of the stock market, typically represented by indices like the Dow Jones Industrial Average.