TestHub
TestHub

Mathematics - Statistics Question with Solution | TestHub

MathematicsStatisticsMeanEasy2 minPYQ_2015
MathematicsEasysingle choice

The mean of a data set comprising of 16 observations is 16. If one of the observation value 16 is deleted and three new observations valued 3, 4 and 5 are added to the data, then the mean of the resultant data is

Options:

Answer:
A
Solution:

Given, ( i=1 15 x i )+16 16 =16

i=115xi +16= 256

i=115xi=240

Required mean=i=115xi+3+4+518=240+3+4+518

=25218=14

Stream:JEESubject:MathematicsTopic:StatisticsSubtopic:Mean
2mℹ️ Source: PYQ_2015

Doubts & Discussion

Loading discussions...