For a One-Tailed Test (Upper Tail) with a Sample Size

question 63

Multiple Choice

For a one-tailed test (upper tail) with a sample size of 900, the null hypothesis will be rejected at the .05 level of significance if the test statistic is _____.

• A) less than or equal to -1.645
• B) greater than or equal to 1.645
• C) less than 1.645
• D) less than -1.96

---

Definitions:

Skilled Worker

An employee who possesses specialized knowledge or abilities, typically acquired through training or experience.

Labour Cost

The total expense incurred for hiring employees, including wages, benefits, and taxes.

Labour Efficiency Variance

A cost management tool used to measure the difference between the actual labor hours used and the standard labor hours expected to produce a certain level of output.

Direct Labour Standard

A benchmark for the amount of work (measured in labor hours or costs) expected to produce a certain quantity of goods.