Consider the data of a businessman that accumulates the daily sales of his restaurant business during the 10-day period. The data are shown below. Php 18,500 Php 23,600 Php 21,210 Php 14,515 Php 20,500 Php 21,700 Php 14,250 Php 18,345 Php 28,550 Php 32,220 What is the sample standard deviation of the given data set? a. 4,678.44 b. 5,678.44 c 4,768.44 d. 6,678.45
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.
Consider the data of a businessman that accumulates the daily sales of his
restaurant business during the 10-day period. The data are shown below.
Php 18,500 Php 23,600 Php 21,210 Php 14,515 Php 20,500
Php 21,700 Php 14,250 Php 18,345 Php 28,550 Php 32,220
What is the sample standard deviation of the given data set?
a. 4,678.44
b. 5,678.44
c 4,768.44
d. 6,678.45
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