Question

The mode of the unimodal data 7 , 8, 9, 8, 9, 10, 9 ,10, 11 , 10, 11, 12, and xis 10. Find the value of x.
A. 10
B. 9
C. 8
D. 11

Answer 1

Correct Answer - A
The give obervations are 7,8,9,8,9,10,9,10,11,10,11,12 and x .
`{:("Observation","Frequency"),(7,1),(8,2),(9,3),(10,2),(11,1),(12,1),(x,1):}` And also given that mode is 10 and the given date is unimodal.
`therefore ` x= 10
Hence , the correct option is (a ) .