Question

28.Observe the following data and answer the questions given:

INTERVAL 0-10 10-20 20-30 30-40 40-50 50-60 60-70

FREQUENCY 4 4 8 10 12 8 4

i)What is the upper limit of the median class?

a)20 b)30 c)40 d)70

ii)Which of the following is not a measure of central tendency?

a)Mean b)Median c)Mode d)Standard deviation iii)For a frequency distribution,mean,median and mode are connected by the relation

a)mode=3mean-2median

b)mode=2median-3mean

c)mode=3median-2mean

d)mode=3median+2mean

iv)What is the classmark of40-50?

a)25 b)35 c)45 d)55

v)What is the lower limit of the modal class of the given data?

a)12 b)40 c)10 d)4​

Answer 1

Answer:

d median d 70 iv 4 ask proper questions