Q. 205.0( 3 Votes )

# The daily minimum temperature 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.

Answer :

Since, first class interval is - 19.0 to 15

Frequency distribution with lower limit included an upper limit excluded is:

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PREVIOUSConstruct a frequency table with equal class intervals from the following data on the monthly wages (in rupees) of 28 labourers working in a factory, taking one of the class intervals as 210-230 (230 not included) :220, 268, 258, 242, 210, 268, 272, 242, 311, 290, 300, 320, 319, 304, 302, 318, 306, 292, 254, 278, 210, 240, 280, 316, 306, 215, 256, 236NEXTThe blood groups of 30 students of class VIII are recoded as follows:A, B, O, O, AB, O, A, O, B, A, O, B, A, O, OA, AB, O, A, A, O, O, AB, B, A, O, B, A, B, ORepresent this data in the form of a frequency distribution table. Find out which is the most common and which is the rarest blood group among these students.

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