Tarantulas Just Prior to a Molt

question 3

Multiple Choice

Tarantulas just prior to a molt.

• A)bury themselves in sand
• B)self-mutilate
• C)stop eating
• D)become very aggressive

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Definitions:

Chi-squared Goodness-of-fit Test

A statistical test used to determine whether sample data fits a population with a specified distribution.

Test Statistic

A value calculated from sample data during a hypothesis test. It is used to determine whether to reject the null hypothesis.

Chi-squared

A statistical test used to determine if there is a significant difference between observed frequencies and expected frequencies in categorized variables.

Critical Values

Specific points in the distribution of the test statistic beyond which the null hypothesis is rejected in hypothesis testing.