The normal curve is a very important concept in statistics. You can use your knowledge of the normal curve to make descriptions of empirical data distributions, and it is essential to your ability to make inferences about a larger population based on a random sample collected from that population.

Which of the following are true about the normal curve? Check all that apply.

A. The normal curve has a mean that is identical to its median and mode.

B. The normal curve is skewed to the left.

C. The normal curve is symmetrical.

D. The normal curve is skewed to the right.

A key feature of the normal curve is that distances along the horizontal axis, when measured in standard deviations from the mean, always encompass the same proportion of the total area under the curve.

This means, for example, that ____________________________ (answer this blank)

of the scores will lie between two standard deviations below the mean and two standard deviations above the mean.

Answer rating: 100% (QA)

QUESTION 1 The normal curve is a very important concept in statistics You can use your knowledge of ... View the full answer