Examlex
The amount of bleach a machine pours into bottles has a mean of 50 ounces with a standard deviation of 0.25 ounces.Suppose we take a random sample of 36 bottles filled by this machine.The sampling distribution of the sample mean has a standard error of 0.25 ounces.
Test Statistic
A value, derived from sample data, that is used in a hypothesis test to determine whether to reject the null hypothesis.
Chi-squared Statistic
A measure used in statistics to evaluate the goodness of fit between observed values and those expected theoretically.
Two Categories
Descriptive of data or entities that can be divided into two distinct groups.
Chi-squared Goodness-of-fit
A statistical test used to determine if observed data matches the expected distribution of a given hypothesis.
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