Question

No.of heartbeats (per min)
83 - 86
80 - 83
77 - 80
74 - 77
71 - 74
68 - 71
65-68
No. of women
15
7
5
5
Based on your understanding of the above case study, answer any four out of the five
questions below:
(i) What is the median class of the above data?
(a)71-74
(b) 74–77.
(c) 77-80
(d) 80–83
What is the lower limit of modal class?
(a) 68
(b) 71
(d) 77
(iii)
What is the sum of lower limit of median class and modal class?
(a) 133
(b) 163
(c) 157
(d) 148
Class mark of the group into which least number of women belong to
(a) 84.5
(b) 66.5
(c)3
(d) 1.5
What are the average heart beats per minute for these women?
(a) 75.3
(b) 75.32
(c) 75
(d) 75.23
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Answer 1

Answer:

(i) 83-86

(ii) 15

(iii) 74 -77

(iv) 71

(v) 133

(vi) 84.5

(vii) 75.32

Answer 2

Answer:

Just shut up mrs -__- !!!!!!!!!!!!!!