The CHAT Mrs. Ada.. 5CQOQ TTI 14 Save for Later I'm Done UNIT Statistics 5 Use the dot plots for 1 and 2. 5. A samp to find more s group 40 50 60 70 80 90 100 va Test 1 dr st te 6. A ran 40 50 60 70 80 90 100 a ship Test 2 were The dot plots show 20 scores on two different tests. many the e 1. What is the difference in the ranges? 5 points 20 points 10 points 35 points 7. A toy 2. Which test has a greater median? to sin 1,000 that Test 1 Test 2 They have the same median. 76 35 You cannot tell from the dot plots.
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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