, and ne Ryoco rotocol became enforceable in February 2005. In 2004, the mean carbon dioxide emission was 4.87 metric ons per capita. Table below contains a random sample of carbon diaxide emissions from 32 countries from recent study. Is there enough evidence to show that the mean carbon dioxide emission is now lower than was in 2004? Test at the 4% level. 1030: red countries to start reducing their roon emisstons. The Carbon Dioxide Emissions (in metric tons per capita) 5.94 6.02 1.36 3.02 2.45 7.48 0.78 5.93 2.86 0.2 2.27
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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