The data given to the right includes data from 33 candies, and 5 of them are red. The company that makes the candy claims that 32% of its candies are red. Use the sample data to construct a 90% confidence interval estimate of the percentage of red candies. What do you conclude about the claim of 32%? Red Blue Brown Green Yellow 0.885 0.746 0.796 0.859 0.722 0.815 0.787 0.722 0.736 0.718 0.966 Construct a 90% confidence interval estimate of the population percentage of candies that are red. 0.975 0.921 0.812 0.706 0.789 0.811 0.775 0.986 0.919 0.878 0.815 0.901 0.988 0.783 %
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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