According to a recent publication, the mean price of new mobile homes is $63,300. Assume a standard deviation of $7100. Let x denote the mean price of a sample of new mobile homes. a. For samples of size 100, find the mean and standard deviation of x. Interpret your results in words. b. Repeat part (a) with n = 200. a. For samples of 100 mobile homes, the mean and standard deviation of all possible sample mean prices are $ and $ (Round to the nearest cent as needed.) respectively. all possible sample mean prices the prices of the mobile homes
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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