The daily minimum temperatures in degree Celsius recorded in a certain arctic region are as follows:

Question:

The daily minimum temperatures in degree 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.

Solution:

Since first class interval is -19.9 to -15, frequency distribution with lower limit included and upper limit excluded is:

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