The ________ is a symmetric bell-shaped distribution that is useful for small sample (n

Question

The ________ is a symmetric bell-shaped distribution that is useful for small sample (n < 30)testing.
A) frequency distribution
B) F distribution
C) t distribution
D) chi-square distribution

Quizplus · Accepted Answer

The t distribution is specifically designed for small sample size (n < 30) testing and has a symmetric bell-shaped distribution. The F distribution is used for testing variances, and the chi-square distribution is used for testing independence of categorical variables. A frequency distribution is not a statistical distribution but rather a way of organizing data.

The ________ Is a Symmetric Bell-Shaped Distribution That Is Useful