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Two properties of normal curves...
1. Symmetric and “bell shaped”
2. The mean = median (both at exact center)
IQ scores are commonly thought to be normally distributed, with mean 100 pts. and standard deviation 15 pts. Label this mean and standard deviation on the normal curve to the left. Then, label the tick marks with values (the distance between each tick is 1 standard deviation).
1. Symmetric and “bell shaped”
2. The mean = median (both at exact center)
IQ scores are commonly thought to be normally distributed, with mean 100 pts. and standard deviation 15 pts. Label this mean and standard deviation on the normal curve to the left. Then, label the tick marks with values (the distance between each tick is 1 standard deviation).
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Answered by
GPT 3.5
Mean: 100 pts.
Standard deviation: 15 pts.
Tick marks:
85, 90, 95, 100, 105, 110, 115
Standard deviation: 15 pts.
Tick marks:
85, 90, 95, 100, 105, 110, 115
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