Z-Scores

Z-Scores

9th - 12th Grade

12 Qs

quiz-placeholder

Similar activities

Normal Distribution

Normal Distribution

11th Grade

17 Qs

Normal Distribution and Z Scores

Normal Distribution and Z Scores

11th Grade - University

13 Qs

Z-scores and Density curve calculations

Z-scores and Density curve calculations

10th - 12th Grade

10 Qs

Z-Score, Probability and Normal Distribution

Z-Score, Probability and Normal Distribution

9th - 12th Grade

17 Qs

Z Score and Percentile

Z Score and Percentile

9th - 12th Grade

10 Qs

Using the Standard Normal table (Table A)

Using the Standard Normal table (Table A)

11th - 12th Grade

13 Qs

NormalCDF and InverseNorm

NormalCDF and InverseNorm

10th - 12th Grade

17 Qs

Normal Distribution and Z-Scores

Normal Distribution and Z-Scores

9th - 12th Grade

10 Qs

Z-Scores

Z-Scores

Assessment

Quiz

Mathematics

9th - 12th Grade

Easy

CCSS
HSS.ID.A.4

Standards-aligned

Created by

Wayground Content

Used 2+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is a Z-Score?

A measure of the central tendency of a data set.

A statistical measurement that indicates how many standard deviations an element is from the mean of a data set.

A method for calculating the variance of a data set.

A graphical representation of data distribution.

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does it mean if a Z-Score is greater than 2?

It means the value is more than 2 standard deviations above the mean, indicating it is significantly higher than average.

It means the value is less than 2 standard deviations below the mean, indicating it is significantly lower than average.

It means the value is exactly 2 standard deviations above the mean, indicating it is average.

It means the value is within 2 standard deviations of the mean, indicating it is typical.

Tags

CCSS.HSS.ID.A.4

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

If the mean is 100 and the standard deviation is 10, what is the Z-Score for 90?

@@z = rac{{90 - 100}}{{10}} = -1.00@@

@@z = rac{{90 - 100}}{{5}} = -2.00@@

@@z = rac{{90 - 100}}{{15}} = -0.67@@

@@z = rac{{90 - 100}}{{20}} = -0.50@@

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does it mean if a Z-Score is less than -2?

It means the value is more than 2 standard deviations below the mean, indicating it is significantly lower than average.

It means the value is exactly at the mean.

It means the value is more than 2 standard deviations above the mean, indicating it is significantly higher than average.

It means the value is within 1 standard deviation of the mean.

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How do you interpret a Z-Score of 1.5?

A Z-Score of 1.5 means the value is 1.5 standard deviations above the mean.

A Z-Score of 1.5 indicates the value is 1.5 units below the mean.

A Z-Score of 1.5 suggests the value is at the mean level.

A Z-Score of 1.5 represents a value that is 1.5 times the mean.

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

If a data set has a mean of 200 and a standard deviation of 25, what is the Z-Score for 250?

1.00

1.50

2.00

2.50

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What does a positive Z-Score signify?

A positive Z-Score indicates that the value is above the mean.

A positive Z-Score indicates that the value is below the mean.

A positive Z-Score indicates that the value is equal to the mean.

A positive Z-Score indicates that the value is negative.

Create a free account and access millions of resources

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

By signing up, you agree to our Terms of Service & Privacy Policy

Already have an account?