Question: For a normal distribution, 100% of the data will fall within 3 standard deviations of the mean. True?or false? The mean, median, and mode are

For a normal distribution, 100% of the data will fall within 3 standard deviations of the mean.

True?or false?

The mean, median, and mode are approximately equal for a normal distribution.

True?or false?

A student achieves a test score which is said to have an equivalent z-score of 0.9. This person has achieved:

higher than the mean?

lower than the mean?

higher than 10% of the other students who wrote the test?

higher than 90% of the other students who wrote the test?

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