The daily maximum temperatures (in degree celsius) recorded in a certain city during the month of November are as follows:

25.8, 24.5, 25.6, 20.7, 21.8, 20.5, 20.6, 20.9, 22.3, 22.7, 23.1, 22.8, 22.9, 21.7, 21.3, 20.5, 20.9, 23.1, 22.4, 21.5, 22.7, 22.8, 22.0, 23.9, 24.7, 22.8, 23.8, 24.6, 23.9, 21.1

Represent them as a frequency distribution table with class size 1°C.

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Solution

Here, the maximum and minimum values of the variate are 25.8 and 20.5 respectively.

So the range = 25.8 – 20.5 = 5.3

Here, we will take class size 1.

Lower limit of first class interval is;

And, upper limit of first class interval is:

Therefore, the frequency distribution in which the lower limit is included and upper limit excluded is:

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Similar questions

Q. The daily maximum temperature in degree celcius of a city for a certain month was recorded as follows. Choosing suitable classes, prepare a grouped frequency distribution table.

\begin{matrix} 30.6, & 31.5, & 32.9, & 33.2, & 31.6, & 30.3, & 34.7, & 35.0, & 32.5, & 33.5, \\ 34.2, & 36.9, & 32.1, & 31.0, & 29.2, & 29.0, & 28.1, & 28.5, & 32.9, & 29.3, \\ 30.2, & 31.4, & 30.0, & 32.0, & 32.2, & 33.0, & 32.5, & 33.9, & 34.5, & 35.5 . \end{matrix}

Q. 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.

Q. 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.

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 one of the class interval

Q. The relative humidity (in %) of a certain city for a month of 30 days was as follows:

\begin{matrix} 98.1 & 98.6 & 99.2 & 90.3 & 86.5 & 95.3 & 92.9 & 96.3 & 94.2 & 95.1 89.2 & 92.3 & 97.1 & 93.5 & 92.7 & 95.1 & 97.2 & 93.3 & 95.2 & 97.3 96.2 & 92.1 & 84.9 & 90.2 & 95.7 & 98.3 & 97.3 & 96.1 & 92.1 & 89 \end{matrix}

(i) Construct a grouped frequency distribution table with classes

84 - 86, 86 - 88

, etc.
(ii) Which month or season do you think this data is about?
(iii) What is the range of this data?

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