It has been reported that in the population, the proportion of all college students who listen to music while studying is p= 0.72. If we take many random samples of size n = 185 college students from this population, we know the sample proportion who listen t music while studying will vary from sample to sample. We also know the sampling distribution in this case will have a standard deviation equal to what value? (Hint: Review material from the end of Lab Activity #8 if you are not sure how to get started here!) A. 0.7200 В. 0.0015 C. 0.0330 D. 0.2016 E. 0.0735
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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