Z-Scores (Leaving Cert Mathematics): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
What does a z-score measure?
What does a z-score measure?
How many standard deviations a point is from mean
What is the formula for calculating a z-score?
What is the formula for calculating a z-score?
In the z-score formula, what does represent?
In the z-score formula, what does represent?
The mean of the data set
In the z-score formula, what does represent?
In the z-score formula, what does represent?
The standard deviation
What does a positive z-score indicate?
What does a positive z-score indicate?
The data point is above the mean
What does a negative z-score indicate?
What does a negative z-score indicate?
The data point is below the mean
What does a z-score of indicate?
What does a z-score of indicate?
The data point is exactly at the mean
Data points with z-scores beyond what value are often considered outliers?
Data points with z-scores beyond what value are often considered outliers?
What are the mean and standard deviation of a standard normal distribution created by z-scores?
What are the mean and standard deviation of a standard normal distribution created by z-scores?
Mean , standard deviation
Heights have mean cm, standard deviation cm. What is the z-score for cm?
Heights have mean cm, standard deviation cm. What is the z-score for cm?
Alice's z-score is , Bob's is . Who performed better relative to their test?
Alice's z-score is , Bob's is . Who performed better relative to their test?
Alice