The daily minimum temperatures in degrees Celsius recorded in a certain Arctic region are as follows:

The daily minimum temperatures in degrees Celsius recorded in a certain Arctic region are as follows:

−12.5, −10.8, −18.6, −8.4, −10.8, −4.2, −4.8, −6.7, −13.2, −11.8, −2.3, 1.2, 2.6, 0, −2.4, 0, 3.2, 2.7, 3.4, 0, −2.4, −2.4, 0, 3.2, 2.7, 3.4,0, −2.4, −5.8, −8.9, −14.6, −12.3, −11.5, −7.8, −2.9

Represent them as frequency distribution table taking − 19.9 to − 15 as the first class interval.