Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.
Trending News
Statistics - Class Interval Arithmetic Mean with negative interval?
Is it possible to calculate the Class Interval Arithmetic Mean when the interval is lying in both negative and positive values?
i.e. -3,-2 --> 4
-2,-1 --> 7
-1,0 --> 11
0,1 --> 15
1,2 --> 20
where 4,7,11,15,20 are the frequency values.
1 Answer
- paramvenuLv 71 decade agoFavorite Answer
YES it is possible as shown below
Mid values (m) : - 2.5 - 1.5 - 0.5 + 0.5 + 1.5
Frequency (f) : 4 7 11 15 20 TOTAL (N) : 57
fm : - 10.0 - 10.5 - 5.5 + 7.5 +30.0 Total sigma fm = + 11.5
Arithmetic Mean = sigma fm / N
= 11.5 / 57 = 0.2018
