Groupthink Is a Phenomenon in Which a Group Reaches a Decision

question 71

True/False

Groupthink is a phenomenon in which a group reaches a decision by eliminating all critical thinking that threatens consensus.

Calculate and interpret the point estimates and margins of error in inferential statistics.

Understand and apply the concept of pooled variance and its relevance in statistical analysis.

Distinguish between different types of sampling distributions and their applications in hypothesis testing.

Calculate and interpret the test statistics in hypothesis testing scenarios.

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Definitions:

Variance

A measure of dispersion in a set of data points, calculated by taking the average of the squared differences from the mean.

Standard Deviation

A statistic that quantifies the dispersion or variability of a dataset, measuring the average distance between each data point and the mean.

Z-score

A quantitative measure that demonstrates the correlation of a specific value to the mean of a dataset, identifying its separation from the mean by counting the standard deviations.

Standard Normal Random Variable

A type of random variable that has a mean of 0 and a standard deviation of 1, following the standard normal distribution.