Answer and Explanation
1. Males taking geometry
Explanation: Find 19% of 30 to find answer
2. B- Between 40-60 minutes
Explanation: Measure the difference between the intervals
3. B is correct.
Explanation: From the graph the actual heart rate=150=150
but calculated heart rate from best fit line=148=148
Difference between actual and calculated=150-148=2=150−148=2