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According to the 2-sigma rule, which of the following is true?
Suggested Answer: C
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16 comments · newest first
NO
Noah
18 hours ago
I think A is correct. It's the most common interpretation.
SH
Shad
6 days ago
I feel confident about A. It’s a standard rule in stats.
WI
Wilda
11 days ago
D is definitely wrong. 2-sigma applies to more than just nominal data.
VI
Vincenza
16 days ago
C is too vague. A is more precise.
LI
Lindsey
21 days ago
But what about C? At least 75% seems safer.
CH
Charlena
27 days ago
I agree, A makes sense. 95% is a lot.
MI
Miesha
1 month ago
I think A is correct. Sounds familiar.
CA
Cammy
1 month ago
D) is definitely wrong, 2-sigma applies to all data types.
EL
Elmira
1 month ago
I thought it was more than 75%, interesting!
GL
Gladis
2 months ago
Wait, only 75%? That sounds off.
DU
Dulce
2 months ago
Totally agree, that's basic stats!
JA
Jani
2 months ago
A) is correct, 95% within 2 standard deviations!
LI
Ling
2 months ago
I definitely recall that A is the right answer since it aligns with the normal distribution properties we studied.
BR
Brendan
2 months ago
I feel like I might be mixing up the percentages; I thought it was 75% for two standard deviations, but now I'm confused.
AS
Ashlyn
2 months ago
I remember practicing a question like this, and I think A is correct because of the empirical rule.
RO
Rodrigo
3 months ago
I think the 2-sigma rule is about how data is distributed, but I'm not sure if it's 95% or something else.