Define the Concepts of Reliability and Validity

question 80

Essay

Define the concepts of reliability and validity.

Comprehend the role and effectiveness of transitional expressions and linking techniques in essays.

Differentiate between broad and specific thesis statements for essay writing.

Analyze the process of breaking bad habits through structured steps.

Appreciate the importance of environmental conservation and individual contributions towards it.

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Definitions:

Trimmed Mean

A method of averaging that removes a specified percentage of the largest and smallest values before calculating the mean, often used to reduce the effect of outliers.

Bootstrap Standard Error

A measure of the variability or dispersion of a statistic's sampling distribution, estimated using the bootstrap resampling method.

Critical Value

A threshold value in hypothesis testing that defines the boundary of the rejection region; values beyond this indicate statistical significance.

Confidence Interval

A spectrum of numerical values, derived from the analysis of a sample, likely to enclose the value of an elusive population parameter.