Finding z-scores
Flashcard
•
Mathematics
•
11th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
Student preview
15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula for finding z-scores?
Back
where x is the value, μ is the mean, and σ is the standard deviation.
2.
FLASHCARD QUESTION
Front
What does a z-score represent?
Back
A z-score indicates how many standard deviations a data point is from the mean.
3.
FLASHCARD QUESTION
Front
If a z-score is negative, what does it indicate about the data point?
Back
It indicates that the data point is below the mean.
4.
FLASHCARD QUESTION
Front
If a z-score is positive, what does it indicate about the data point?
Back
It indicates that the data point is above the mean.
5.
FLASHCARD QUESTION
Front
How do you calculate the z-score for a value of 10 if the mean is 8 and the standard deviation is 2?
Back
.
6.
FLASHCARD QUESTION
Front
What is the z-score for a weight of 6lbs if the mean weight of wallabies is 9lbs and the standard deviation is 1.5lbs?
Back
.
7.
FLASHCARD QUESTION
Front
How do you find the z-score for a home priced at $193,000 if the mean is $200,000 and the standard deviation is $10,000?
Back
.
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