The Normal Bell Curve
Understanding the Normal Bell Curve
Test your knowledge about the Normal Bell Curve with this engaging quiz! Perfect for students, teachers, and anyone interested in statistics, this quiz will challenge your understanding of the bell curve, z-scores, and standard deviation.
By participating, you will:
- Identify key concepts in statistics
- Understand the significance of the normal distribution
- Enhance your statistical analysis skills
The mean score on a test is 100, with a standard deviation of 15. According to these results and the normal bell curve shown, identify which section labeled a through e each person's score falls in. Mary: 110; Henry: 50; John: 78; Robert: 136; Jan: 92
What percent of scores are within -3 and +3 standard deviations of the norm in a normal bell curve?
50%
75%
Almost 100%
25%
What is true of a normal bell curve?
A normal curve has asymptotic tails
A normal curve is symmetrical
In a normal curve the mean, median, and mode are equal
All of the above
True or false: areas under the standard normal curve cannot be negative, whereas z-scores can be positive or negative.
True
False
True or False: a stanine score of 3 is the mean in a normal bell curve.
True
False
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