A distribution has a mean of 100 and a median of 90. The shape of this distribution is most likely: skewed left skewed right
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.
- A distribution has a
mean of 100 and a median of 90. The shape of this distribution is most likely:
- skewed left
- skewed right
- Given following bar graph of a game ranking (possible ranking: 1st , 2nd , 3rd, 4th).
- Which center tendency measure(s) (i.e.,
mode , median, mean) are appropriate to use? Calculate them.
- List two things you know about this game by looking at the graph
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