Chapter 4 Statistics Review

Chapter 4 Statistics Review

Assessment

Flashcard

Mathematics

9th - 12th Grade

Practice Problem

Hard

CCSS
HSS.MD.A.3, 6.SP.B.5C, 6.SP.A.3

+2

Standards-aligned

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 indicates how many standard deviations an element is from the mean. A positive z-score means the value is above the mean, while a negative z-score means it is below the mean.

2.

FLASHCARD QUESTION

Front

How do you calculate a z-score?

Back

The formula for calculating a z-score is: z = (X - μ) / σ, where X is the value, μ is the mean, and σ is the standard deviation.

3.

FLASHCARD QUESTION

Front

If Brian scored an 80% on a Chemistry Exam with an average of 68% and a standard deviation of 5%, what is his z-score?

Back

2.4

4.

FLASHCARD QUESTION

Front

What does a positive z-score indicate?

Back

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

5.

FLASHCARD QUESTION

Front

What does a negative z-score indicate?

Back

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

6.

FLASHCARD QUESTION

Front

Given μ = 70, σ = 8, and X = 50, find the z-score.

Back

-2.5

7.

FLASHCARD QUESTION

Front

What is the binomial probability formula?

Back

The binomial probability formula is P(X = k) = (n choose k) * p^k * (1-p)^(n-k), where n is the number of trials, k is the number of successes, and p is the probability of success.

Tags

CCSS.HSS.MD.A.3

CCSS.HSS.MD.A.4

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