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Statistics Review Algebra II

Statistics Review Algebra II

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 combination in statistics?

Back

A combination is a selection of items from a larger set where the order does not matter.

2.

FLASHCARD QUESTION

Front

How many ways can Lucas choose 4 hoodies from 11?

Back

330 ways (calculated using the combination formula C(n, k) = n! / (k!(n-k)!), where n=11 and k=4).

3.

FLASHCARD QUESTION

Front

What is a permutation in statistics?

Back

A permutation is an arrangement of items from a set where the order does matter.

4.

FLASHCARD QUESTION

Front

How many ways can 18 runners be placed in the top 3 positions?

Back

4896 ways (calculated using the permutation formula P(n, k) = n! / (n-k)!, where n=18 and k=3).

5.

FLASHCARD QUESTION

Front

What percentage of data falls within 1 standard deviation of the mean in a normal distribution?

Back

Approximately 68%.

6.

FLASHCARD QUESTION

Front

What percentage of data falls within 2 standard deviations of the mean in a normal distribution?

Back

Approximately 95%.

7.

FLASHCARD QUESTION

Front

What percentage of data falls within 3 standard deviations of the mean in a normal distribution?

Back

Approximately 99.7%.

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