Home
Class 9
MATHS
The relative humidity (in %) of a certai...

The relative humidity (in %) of a certain City for a September month of 30 days was as follows:

(i) Construct a grouped frequency distribution table with classes 84-86, 86,-88 etc.
(ii) What is the range of the data?

Text Solution

Verified by Experts

The correct Answer is:
Range 99.2 - 84.9 = 14.3 (vary for different places).
Promotional Banner

Similar Questions

Explore conceptually related problems

A company manufactures car batteries of particular type. The life (in years) of 40 batteries was recorded as follows: Construct a grouped frequency distribution table with exclusive classes for this data, using class intervals of size 0.5 starting from the interval 2-2.5.

In the following grouped frequency distribution table class marks are given. (i) Construct greater than cumulative frequencies.

In the following grouped frequency distribution table class marks are given. Construct less than cumulative frequencies

In the following grouped frequency distribution table class marks are given. Construct class intervals of the data. (Exclusive class intervals)

In the following grouped frequency distribution table class marks are given. Construct greater than cumulative frequencies.

The blood group of 36 students of IX class are recorded as follows Represent the data in the form of frequency distribution table. Which is the most common and which is the rarest blood group among these students?

The weights of 50 custard apples are given below . ( In grams ) 35 , 40 , 45 , 40 , 50 , 55 , 60 70 , 75 , 80 , 90 , 94 , 45 , 60 , 65 , 35 , 65 , 35 , 25 , 24 , 34 , 45 , 54 , 63 , 72 , 85 , 99 , 36 , 65 , 49 , 84 , 73 , 54 , 43 , 44 , 23 , 33 , 43 , 53 , 63 , 73 , 83 , 93 , 44 , 55 , 65 , 74 , 89 , 77 , 60 Construct a grouped frequency distribution table with classes 20 – 30 , 30 – 40 , ……………………………… 90 – 100 .

Number of students in 30 class rooms in a school are given below. Construct a frequency distribution table for the data with a exclusive class interval of 4 (students). {:(25,30,24,18,21,24,32,34,22,20,22),(32,40,28,30,22,26,31,34,15,38,28),(20,16,15,20,24,30,25,18, , ,):}

The following marks achieved by 30 candidates in mathematics of SSC examination held in the year 2010.45, 56, 75, 68, 35, 69, 98, 78, 89, 90, 70, 56, 59, 35, 46, 47, 13, 29, 32, 39,93, 84, 76, 79, 40, 54, 68, 69, 60, 59. Construct the frequency distribution table with the-class intervals, failed (0 – 34), third class (35 - 49), second class (50 - 60), first class (60 - 74) and distinction (75-100).

An insurance company selected 2000 drivers at random (i.e., without any preference of one driver over another) in a particular city to find a relationship between age and accidents. The data obtained is given in the following table: Find the probabilities of the following events for a driver chosen at random from the city: (i) The driver being in the age group 18-29 years and having exactly 3 accidents in one year. (ii) The driver being in the age group of 30-50 years and having one or more accidents in a year. (iii) Having no accidents in the year.