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  5. Dec 6 B2 Bw Standard Deviation And Z Scores
Dec 6 B2 BW Standard deviation and z-scores

Dec 6 B2 BW Standard deviation and z-scores

Assessment

Flashcard

Mathematics

12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

Student preview

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16 questions

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1.

FLASHCARD QUESTION

Front

What is the formula for finding z-scores?

Back

2.

FLASHCARD QUESTION

Front

What does a z-score represent?

Back

A z-score represents the number of standard deviations a data point is from the mean of a data set.

3.

FLASHCARD QUESTION

Front

How do you calculate the z-score for a given value?

Back

4.

FLASHCARD QUESTION

Front

What is the mean in a normal distribution?

Back

The mean is the average of all data points in a normal distribution and is the center of the distribution.

5.

FLASHCARD QUESTION

Front

What is the standard deviation in a normal distribution?

Back

The standard deviation measures the dispersion or spread of data points around the mean in a normal distribution.

6.

FLASHCARD QUESTION

Front

If a student scores 31 on the ACT with a mean of 21 and a standard deviation of 5, what is the z-score?

Back

7.

FLASHCARD QUESTION

Front

If a data value is equal to the mean, what is its z-score?

Back

If a data value is equal to the mean, its z-score is 0.

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