LIVE Course for free

Rated by 1 million+ students
Get app now
0 votes
21 views
in Statistics by (45.2k points)
closed by

Weights of parcels in a transport office are given below.

Weight (kg) 50 65 75 90 110 120
No of parcels 25 34 38 40 47 16

Find the mean weight of the parcels.

1 Answer

+1 vote
by (44.6k points)
selected by
 
Best answer
Weight in kg x No. of parcels fi x1fi
50 25 1250
65 34 2210
75 38 2850
90 40 3600
110 47 5170
120 16 1920

 Σfi = 200 

Σfi xi = 17000

\(\overline x = \frac {\sum f_ix_i} {\sum f_i} = \frac {17000}{200} = \frac {170}{2}\)

\(\overline x \) = 85

Mean = 85

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

...