Perform the Required Chi-Square Hypothesis Test

question 3

Essay

Perform the required chi-square hypothesis test. Preliminary data analyses and other information indicate that it isreasonable to assume that the variable under consideration is normally distributed. Use the critical-value approach or theP-value approach as indicated.
-The standard deviation of math test scores at one high school is 16.1. The standard deviation of the math scores of a random sample of 22 girls was 12. Use a significance level of 0.01 to test whether the standard deviation, Ϭ, of the girls' test scores is smaller than 16.1. Use the critical-value approach.

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Definitions:

Sufficient Features

Characteristics or aspects of something that are enough to define, categorize, or identify it distinctly.

ACT Models

Refers to a family of cognitive models, including the Adaptive Control of Thought, which aim to explain how humans think, learn, and solve problems.

Procedural Knowledge

Knowledge of how to perform certain tasks, often expressed as skills and abilities, as opposed to knowing that something is the case (declarative knowledge).

If-then Production Rules

Logical statements used in computer programming and cognitive psychology to connect conditions with actions or outcomes.