Standard Normal Distribution Table. That is because for a standard normal distribution table, both halfs of the curves on the either side of the mean are identical. Normal distributions arise throughout the subject of statistics, and one way to perform calculations with this type of distribution is to use a table of values known as the.

The table of z distribution is shown here.

Finding probabilities for a normal random variable. Standard normal distribution table entries represent pr(z ≤ z). Recall that the standard normal table entries are the area under the standard normal curve to the left of z (between negative infinity and z). Statistics are handy when it comes to making predictions, but to make accurate predictions, you need to know how reliable your results are. Look in the appendix of your textbook for the standard normal table. The value of z to the first decimal is given in the left column. The values in the table are calculated using the cumulative distribution function of a standard normal distribution with a mean of zero and a standard. Because the curve is symmetrical, the same table can be used for values going either direction, so a negative 0.45 also has an area of 0.1736. Table values represent area to the left of the z score. A value from any normal distribution can be transformed into its corresponding value on a standard normal distribution using the following formula The image below shows you the standard normal distribution when the mean is 0 and the standard.