Question

The pulse rate (per minute) of 30 persons were recorded as given below : 61,76,72,73,71,66,78,73,68,81,78,63,72,75,80,68,75,62,71,81,73,60,79,72,73,74,71,64,76,71 Construct a Frequency table using class intervals of equal width, one class interval being 60-65. Also, construct a histogram for the above data.​

Answer 1

Answer:

Given below are the marks obtained by 30 students of a class, Using the class intervals of equal class size in which one class interval is 30-40 (excluding 40), construct a frequency table. <br> `{:(42,74,39,48,42,80,35,38,52,81),(31,72,65,58,77,82,79,65,47,30),(64,56,39,48,60,63,72,50,46,35):}`