Question

. Case Study based
Environmental awareness program
A survey was conducted by a group of students as a part of their environmental awareness programm
in which they collected the following data regarding the number of plants in 20 houses in a locality.
(a) Estimate the mean number of plants per house,
(0) 8.1
(ii) 8.2
(iii) 8
(iv) none of these
(b) What is the upper limit of modal class?
(1)
(ii) 10
(iii) 12
(iv) 14
(c) Which method did you find best for finding the mean?
(1) Assumed Mean Method
(i) Step Deviation Method
(iii) Direct Method
(iv) none of these
(d) Sum of lower limits of median and modal class is
(1) 10
(i) 12
(iii) 20
(iv) 16
(e) Mean of upper limits of median and modal class is
(i) 10
(1) 12
(ili) 20
(iv) 16​

Answer 1

Step-by-step explanation:

a) 8.1

b) 12

c) none of this

d)10

e) 20