METHODS OF DATA ANALYSIS
MEASURES OF DISPERSION
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
How many standard deviations is 95% within the mean?
|
|
1
|
|
|
2
|
|
|
3
|
|
|
4
|
Explanation:
Detailed explanation-1: -Key Takeaways. The Empirical Rule states that 99.7% of data observed following a normal distribution lies within 3 standard deviations of the mean. Under this rule, 68% of the data falls within one standard deviation, 95% percent within two standard deviations, and 99.7% within three standard deviations from the mean.
Detailed explanation-2: -Around 68% of values are within 1 standard deviation of the mean. Around 95% of values are within 2 standard deviations of the mean.
There is 1 question to complete.