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Brian is an only child whose father is a president of a large corporation, while his mother is a lawyer at a busy law firm. Brian has always enjoyed the company of other children partly, he believes, because he wasn't around children much except at school. He is particularly intrigued with young children's development and is thinking of majoring in early-childhood education in college. His parents are not happy with Brian's decision, and his father puts a great deal of pressure on him to major in business or pre-law. Brian isn't sure what to do. His situation is an example of
Unbiased Estimator
A statistical estimator that, on average, accurately reflects the parameter it estimates, meaning its expected value is equal to the true value of the parameter.
Standard Error
A statistical measure that quantifies the amount of variability in the sampling distribution of a statistic, often used in the context of mean or proportion.
Sample Size
The number of observations or data points that form part of a sample taken from a larger population for the purpose of statistical analysis.
Point Estimate
A single value that serves as the best guess or best estimate of a population parameter based on sample data.
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