F24 Unit 6 Exam

F24 Unit 6 Exam

Assessment

Flashcard

Mathematics

9th - 12th Grade

Practice Problem

Hard

CCSS
HSS.IC.B.3, 6.SP.B.5C, HSS.ID.A.4

+2

Standards-aligned

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the formula to find the z-score for a population?

Back

2.

FLASHCARD QUESTION

Front

What is the mean of the following data set: 7.1, 9.2, 8.0, 6.1, 14.4, 8.5, 6.1, 6.8, 7.7, 21.5, 6.7, 9.0, 8.4, 7.0, 11.5, 14.1, 9.5, 8.6?

Back

Mean = 9.46.

Tags

CCSS.6.SP.B.5C

3.

FLASHCARD QUESTION

Front

What is the population standard deviation of the following data set: 7.1, 9.2, 8.0, 6.1, 14.4, 8.5, 6.1, 6.8, 7.7, 21.5, 6.7, 9.0, 8.4, 7.0, 11.5, 14.1, 9.5, 8.6?

Back

Standard Deviation = 3.74.

4.

FLASHCARD QUESTION

Front

What sampling method is used when talking to every 7th senator on a list of 100 senators?

Back

Systematic sampling.

Tags

CCSS.HSS.IC.B.3

5.

FLASHCARD QUESTION

Front

What is the correct order of percentages according to the empirical rule?

Back

34%, 13.5%, 2.35%.

Tags

CCSS.HSS.ID.A.4

6.

FLASHCARD QUESTION

Front

Which set of data probably has the points closest to the mean if all sets have the same mean? Set 1-Standard Deviation=3.1, Set 2-Standard Deviation=4.9, Set 3-Standard Deviation=1.7, Set 4-Standard Deviation=3.2?

Back

Set 3.

7.

FLASHCARD QUESTION

Front

Define z-score.

Back

A z-score indicates how many standard deviations an element is from the mean.

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