Asked by
Alondra Castillo
on Nov 27, 2024
Verified
Using the standard normal curve, the z-score representing the 90th percentile is 1.28.
Standard Normal Curve
A symmetric bell-shaped curve that represents the distribution of many types of data where the mean is 0 and the standard deviation is 1.
Z-score
An index quantifying the position of a value relative to the average value in a dataset, expressed as the amount of standard deviations away from this mean.
Percentile
A value below which a given percentage of observations in a group of observations falls, used to understand and interpret data distributions.
- Ascertain and clarify the significance of Z-scores in relation to normally distributed datasets.
- Apprehend the interrelation between probabilities and the expanse under the bell curve.
Verified Answer
GG
Learning Objectives
- Ascertain and clarify the significance of Z-scores in relation to normally distributed datasets.
- Apprehend the interrelation between probabilities and the expanse under the bell curve.