Consider the frequency distribution to the right. Complete parts (a) Value 609 548 614 Frequency through (c) below. 11 584 12 581 603 (a) Find the mean of the frequency distribution. The mean of the frequency distribution is (Type an integer or a decimal. Round to the nearest tenth as needed.) (b) Find the median of the frequency distribution. The median of the frequency distribution is (Type an integer or a decimal. Round to the nearest tenth as needed.) (c) Find the mode or modes (if any) of the frequency distribution. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA The mode(s) is/are (Type a whole number. Use commas to separate answers as needed.) B. There is no mode.
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
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