normal curve
A theoretical distribution of scores that is symmetrical, unimodal, and bell-shaped. The standard normal curve always has a mean of 0 and a standard deviation of 1.
normal curve table
Appendix A; a detailed description of the area between a Z score and the mean of any standardized normal distribution.
z table
Standard scores; the way scores are expressed after they have been standardized to the theoretical normal curve.
what is the normal curve is being used for
The normal curve, in combination with the mean and standard deviation, can be used to construct precise descriptive statements about empirical distributions that are normally distributed. This chapt