Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
766 views
in Statistics by (38.6k points)
closed by

The table below gives the rainfall during one week of September 2015 in various districts of Kerala.

District Rainfall (mm)
Kasaragod 66.7
Kannur 56.9
Kozhikode 33-5
Wayanad 20.5
Malappuram 13-5
Palakkad 56.9
Thrissur 53-4
Ernakulam 70.6
Kottayam 50.3
Idukki 30.5
Pathanamthitta 56.4
Alapuzha 45-5
Kollam 56.3
Thiruvananthapuram 89.0

Calculate the mean and median rainfall in Kerala during this week. Why is the mean less than median?

1 Answer

+1 vote
by (33.5k points)
selected by
 
Best answer

Mean = Total amount of rain / No. of districts

 = 700/14 = 50

In ascending order: 13.5, 20.5, 30.5, 33.5, 45.5, 50.3, 53.4, 56.3, 56.4, 56.9, 56.9, 66.7, 70.6, 89

Median = \(\cfrac{53.4+56.3}{2}\) = 54.85

The mean is less than median because the number contains are far small and large numbers than mean.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...