
Exploring the Standard Z-Score and Normal Distribution

Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Hard
Standards-aligned

Liam Anderson
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of a Z-Score?
To determine the mode of a data set.
To calculate the mean of a data set.
To compare data points from different data sets.
To measure the absolute value of a data point.
Tags
CCSS.HSS.ID.A.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of Z-Scores, what does a positive Z-Score indicate?
The data point is an outlier.
The data point is equal to the mean.
The data point is above the mean.
The data point is below the mean.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formula is used to calculate a Z-Score?
(Data value - Mean) / Standard Deviation
(Mean - Data value) / Standard Deviation
(Data value + Mean) / Standard Deviation
(Data value * Mean) / Standard Deviation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a student scores 630 on a test with a mean of 500 and a standard deviation of 150, what is their Z-Score?
0.867
1.5
2.0
1.0
Tags
CCSS.HSS.ID.A.4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a Z-Score of 0.867 indicate about a student's performance?
The student scored below the mean.
The student scored 1.5 standard deviations above the mean.
The student scored exactly at the mean.
The student scored 0.867 standard deviations above the mean.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Person A scored 87 on a test with a mean of 80 and a standard deviation of 5. What is their Z-Score?
1.4
1.5
0.867
2.0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Person B scored 82 on a test with a mean of 73 and a standard deviation of 6. What is their Z-Score?
0.867
2.0
1.4
1.5
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