Question

7. During a medical checkup, the number of heartbeats per minute
40 patients were recorded and summarised as follows:
Number of heartbeats
per minute
64-68 68-72 72-76 76-80 80-84 84-
6
10
8
Number of patients
12
CERES
Find the mean heartbeats per minute for these patients​

Answer 1

Step-by-step explanation:

64+68+68+72+72+76+76+80+80+84+84

----------------------------------------------------------

11

824

-------

11

74.09

12th I can't find so I have done with just 11 number

Answer 2

So the answer is 75.9 .Hope it helps you.Plz mark me as a brainleast .