You are interested to know the Q10 value for mean heart rate (# of beats/10 sec) for a species of fish for the temperature interval of 15°C - 26°C. To find this value, you collect data for these six temperatures and calculate mean heart rate (# of beats/10 sec) for each temperature. Here is the data:

10°C 15°C 20°C 26°C 30°C 35°C
Mean Heart Rate (# beats/10 sec) 23.72 24.23 24.37 27 35.97 37.82
What is the Q10 value for heart rate (# of beats/10 seconds) for the temperature interval of 15°C - 26°C? Round your answer to two decimal places.