Find the Range, Mean, Variance, and Standard Deviation of the Data

question 92

Short Answer

Find the range, mean, variance, and standard deviation of the data set. Round to two decimal places if needed. $26,27,28,29,30$ range: __________ mean: __________ variance: __________ standard deviation: __________

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Definitions:

Random Sampling

A method of selecting a sample from a population in a way that every member of the population has an equal chance of being included.

Random Assignment

A method used in experiments to distribute individuals randomly across experimental groups, ensuring that each participant has an equal chance of being assigned to any given group.

Naturalistic Observation

An observational method in which participants are viewed in their authentic surroundings without any meddling by the researcher.

Double-Blind Procedure

An experimental method in which neither the participants nor the experimenters know who is receiving a particular treatment, used to eliminate bias.