The frequency distribution below represents frequencies of actual low temperatures recorded during the course of a 31-day month. Úse the frequency distribution to construct a histogram. Do the data appear to have a distribution that is approximately normal? Choose the correct histogram below. OA. OB. Class А 39-44 B 45 - 50 C 51 - 56 D 57 - 62 E 63 - 68 E 69- 74 G 75- 80 Frequency 10- 10- 6 14 0- ABCDEFG 0- ABCDEFG 7 OC. OD. 10- 10- 0-ABCDEFE ABCDEFG Do the data appear to have a distribution that is approximately normal? O A. No, it is approximately uniform.
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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