A Random Sample of 30 Infants (Age 12 Months) Was

question 74

Short Answer

A random sample of 30 infants (age 12 months) was selected and given a Motoric Development test. The mean score for the sample was at the 13.20 month level. The estimated standard error of the mean was 1.25. Estimate whether the mean test age of the sample could be representative of a population whose mean test age is 12 months. 113

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Definitions:

Goals

Targets or benchmarks that individuals or organizations aim to achieve, guiding their efforts and actions toward specific outcomes.

Superiors

Superiors refer to individuals or authorities higher in rank or position within an organization, often responsible for overseeing and managing subordinates.

Good Performance

Refers to achieving or exceeding the set standards of tasks, duties, or goals efficiently and effectively.

Rewarded

Given a form of compensation or prize for one's effort, achievement, or behavior, serving as recognition and reinforcement.