6.5 Flashcard Z Scores

6.5 Flashcard Z Scores

Assessment

Flashcard

Mathematics

9th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a z-score?

Back

A z-score is a statistical measurement that describes a value's relationship to the mean of a group of values, expressed in terms of standard deviations from the mean.

2.

FLASHCARD QUESTION

Front

How do you calculate a z-score?

Back

The formula for calculating a z-score is: z = (x - mean) / standard deviation, where x is the value, mean is the average of the data set, and standard deviation measures the dispersion of the data.

3.

FLASHCARD QUESTION

Front

What does a positive z-score indicate?

Back

A positive z-score indicates that the value is above the mean.

4.

FLASHCARD QUESTION

Front

What does a negative z-score indicate?

Back

A negative z-score indicates that the value is below the mean.

5.

FLASHCARD QUESTION

Front

If the mean is 40 and the standard deviation is 1.4, what is the z-score for x = 42?

Back

1.43

6.

FLASHCARD QUESTION

Front

If the mean is 27 and the standard deviation is 1.4, what is the z-score for x = 11?

Back

-11.43

7.

FLASHCARD QUESTION

Front

If the mean is 16 and the standard deviation is 4, what is the z-score for x = 11?

Back

-1.25

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