Suppose you calculate a z-score of -2.2 and the distribution is normal. Then which of the following is a correct interpretation? Group of answer choices None of the above are justified interpretations The observation is about 2.2 standard deviations less than the mean. This means it is less than all but roughly 2.5% of the observations. The observation is about 2.2 times the variance less than the mean. This means it is less than all but roughly 5% of the observations The observation is about 2.2 times the variance less than the mean. This means it is less than all but roughly 2.5% of the observations. The observation is about 2.2 standard deviations less than the mean. This means it is less than all but roughly 5% of the observations.
Suppose you calculate a z-score of -2.2 and the distribution is normal. Then which of the following is a correct interpretation? Group of answer choices None of the above are justified interpretations The observation is about 2.2 standard deviations less than the mean. This means it is less than all but roughly 2.5% of the observations. The observation is about 2.2 times the variance less than the mean. This means it is less than all but roughly 5% of the observations The observation is about 2.2 times the variance less than the mean. This means it is less than all but roughly 2.5% of the observations. The observation is about 2.2 standard deviations less than the mean. This means it is less than all but roughly 5% of the observations.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 19PPS
Related questions
Question
Suppose you calculate a z-score of -2.2 and the distribution is normal. Then which of the following is a correct interpretation?
Group of answer choices
None of the above are justified interpretations
The observation is about 2.2 standard deviations less than the mean . This means it is less than all but roughly 2.5% of the observations.
The observation is about 2.2 times the variance less than the mean. This means it is less than all but roughly 5% of the observations
The observation is about 2.2 times the variance less than the mean. This means it is less than all but roughly 2.5% of the observations.
The observation is about 2.2 standard deviations less than the mean. This means it is less than all but roughly 5% of the observations.
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