Normal Calculations Practice

Normal Calculations Practice

Assessment

Flashcard

Mathematics

11th - 12th Grade

Hard

Created by

Quizizz Content

FREE Resource

Student preview

quiz-placeholder

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the Empirical (68-95-99.7) Rule?

Back

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

2.

FLASHCARD QUESTION

Front

What type of distribution does the Empirical Rule apply to?

Back

Normally Distributed.

3.

FLASHCARD QUESTION

Front

What is the mean of a normal distribution?

Back

The mean (μ) is the center of the curve and represents the average value of the data set.

4.

FLASHCARD QUESTION

Front

What does a standard deviation (σ) indicate in a normal distribution?

Back

Standard deviation measures the dispersion or spread of the data points around the mean.

5.

FLASHCARD QUESTION

Front

How do you calculate a z-score?

Back

Z-score = (X - μ) / σ, where X is the value, μ is the mean, and σ is the standard deviation.

6.

FLASHCARD QUESTION

Front

What does a z-score represent?

Back

A z-score indicates how many standard deviations a data point is from the mean.

7.

FLASHCARD QUESTION

Front

What percent of households discard between 10 and 12 pounds of paper if the mean is 9.43 pounds and standard deviation is 4.17 pounds?

Back

17.68%.

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?