A Chi-Square Goodness-Of-Fit Test to Determine If the Observed Frequencies

question 80

True/False

A chi-square goodness-of-fit test to determine if the observed frequencies in ten categories are Poisson distributed has nine degrees of freedom.

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Definitions:

Sample Proportion

The fraction or percentage of a sample that exhibits a particular trait or attribute.

Population Proportion

The percentage of individuals in a population who share a certain characteristic or attribute.

Expected Value

The expected value of a random variable is the long-run average value of repetitions of the experiment it represents.

Normal Approximation

A method used to estimate the probabilities of a binomial distribution by approximating it with a normal distribution, especially useful for large sample sizes.