In Order to Estimate the Average Electric Usage Per Month

question 32

Multiple Choice

In order to estimate the average electric usage per month, a sample of 81 houses was selected and the electric usage was determined.Assume a population standard deviation of 450 kilowatt-hours.If the sample mean is 1858 kWh, the 95% confidence interval estimate of the population mean is

• A) 1760 to 1956 kWh.
• B) 1729 to 1987 kWh.
• C) 1758 to 1958 kWh.
• D) 1776 to 1940 kWh.

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Definitions:

Big Five

A personality model that identifies five main dimensions of human personality: openness, conscientiousness, extraversion, agreeableness, and neuroticism.

Deviant Workplace Behaviours

Actions by employees that violate organizational norms, policies, or ethics, potentially harming the organization or its members.

Organizational Citizenship Behaviours

Activities performed by employees that are not part of their formal job requirements but contribute to the wellbeing and efficiency of the organization.

Emotional Stability

A personality trait reflecting the extent to which an individual is calm, secure, and steady.