Q. 14 4.5( 11 Votes )

During a medical check - up, the number of heart beats per minute of 30 patients were recorded and Summarized as follows:

Find the mean heartbeats per minute for these patients, choosing a suitable method.

Answer :

We will find the mean heartbeats per minute by direct method.

We have got

Σfi = 30 & Σfixi = 2277

mean is given by

Thus, mean is 75.9 heartbeats per minute.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.