Question

7. During a medical checkup, the number of heartbeats per minute of
40 patients were recorded and summarised as follows:
Number of heartbeats
per minute
64-68 68-72
68–72 72-76 76-80 80-84 84-88
Number of patients
6
8
10
12
3
1
Find the mean heartbeats per minute for these patients.​

Answer 1

the answer to this question is 4 because it occur in every 4 second.....

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Answer 2

Answer:

75.9

Step-by-step explanation:

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