Empirical Rule Practice Flashcard

Empirical Rule Practice Flashcard

Assessment

Flashcard

Mathematics

12th Grade

Practice Problem

Hard

Created by

Wayground Content

Used 1+ times

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the Empirical Rule?

Back

The Empirical Rule states that for a normal distribution, approximately 68% of the data falls within one standard deviation of the mean, about 95% falls within two standard deviations, and about 99.7% falls within three standard deviations.

2.

FLASHCARD QUESTION

Front

What percentage of data falls within one standard deviation of the mean in a normal distribution?

Back

Approximately 68%.

3.

FLASHCARD QUESTION

Front

What percentage of data falls within two standard deviations of the mean in a normal distribution?

Back

Approximately 95%.

4.

FLASHCARD QUESTION

Front

What percentage of data falls within three standard deviations of the mean in a normal distribution?

Back

Approximately 99.7%.

5.

FLASHCARD QUESTION

Front

If the mean is 1150 pounds and the standard deviation is 22 pounds, what is the interval for approximately 99.7% of the weights?

Back

1084 to 1216 pounds.

6.

FLASHCARD QUESTION

Front

If the mean life of a tire is 30,000 km and the standard deviation is 2000 km, what is the interval for 68% of tires?

Back

28,000 km and 32,000 km.

7.

FLASHCARD QUESTION

Front

What is the mean GPA at a local high school if it is normally distributed with a standard deviation of 0.6?

Back

The mean GPA is 2.9.

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