Class 9 Maths Ch 10 Ex 10.4 Asia
NCERT Solutions for Class 9 Maths Chapter 10 Circles (Ex ) Exercise
Exercise Ex A survey was conducted by a group of students as a part of their environment awareness programme, in which they collected the following data regarding the Class 9 Maths Ch 10 Ex 10.4 Asia number of plants in 20 houses in a Class 9 Maths Ch 10 Ex 10.4 Asia locality. Find the mean number of plants per house. Which method did you use for finding the mean, and why?
You can also download the Class 9 Maths Ch 10 Ex 10.4 Asia free PDF of Ex Consider the mxths distribution 9 Ex Ch Maths 10 10.4 Class Asia Class 9 Maths Ch 10 Ex 10.4 Asia of daily wages of 50 workers of a factory. Find the mean class 9 maths ch 10 ex 10.4 asia wages of the workers fx the factory by using an appropriate method. The following distribution shows the daily pocket allowance of children of a locality. Find the missing frequency f. Thirty women were examined in a hospital by a doctor and the number of Class 9 Maths Ch 10 Ex 10.4 Asia heart beats per minute were recorded cg summarised as follows.
Find the mean heart beats per minute for these women, choosing a suitable method Class 9 Maths Ch 10 Ex 10.4 Asia Solution:. In class 9 maths ch 10 ex 10.4 asia retail market, fruit vendors were selling mangoes kept in packing boxes.
These boxes contained Class 9 Maths Ch 10 Ex 10.4 Asia varying number of mangoes. The following was the distribution of mangoes according to the number of boxes. Find the mean number of mangoes kept in a packing box. Which method of finding Class 9 Maths Ch 10 Ex 10.4 Asia Class 9 Maths Ch 10 Ex 10.4 Asia the mean did you choose? The table below Class 9 Maths Ch 10 Ex 10.4 Asia shows the daily expenditure on food of 25 households in a locality. Find the mean 10.4 expenditure on food by a suitable method. To find out the concentration of SO2 in the air in parts per million, i. A class Class 9 Maths Ch 10 Ex 10.4 Asia teacher has the following absentee record of 40 students of a class for the whole term.
Class 9 maths ch 10 ex 10.4 asia the mean number of days a student was absent. The following table gives the literacy rate in percentage of 35 cities. Find the mean Class 9 Maths Ch 10 Ex 10.4 Asia literacy rate. Class limits : Suppose mark obtained by all of the students are divided into class intervals 25 � 35, 35 � 45 and Class 9 Maths Ch 10 Ex 10.4 Asia so interval on. In class interval mzths � 35, 25 is called lower class limit and 35 is called upper class limit. Class size : The difference between upper and lower class limit. Class mark : It is given by.
The data obtained in original class 9 maths ch 10 ex 10 Maths 9 Ch Asia Ex Class 10.4 10.4 asia are called raw data or ungrouped data. To put the data in a more condensed form, we make groups of suitable size, and mention the frequency of each group. Such a table is called grouped data.
The class Class 9 Maths Ch 10 Ex 10.4 Asia Class 9 Maths Ch 10 Ex 10.4 Asia with the maximum frequency is called modal class. Median Maths Ex Ch 10.4 Class Asia 9 10 is a measure of central tendency which gives the value of the middle-most observation in the data.
The curve so obtained is called a cumulative frequency curve, or an ogive of the less than type. The curve so obtained Class 9 Maths Ch 10 Ex 10.4 Asia is called a cumulative frequency curve, or an ogive of the more than type.
The two ogives will intersect each other at a point. From this point, if we draw a perpendicular on the x-axis, the point class 9 maths ch 10 ex 10.4 asia which it cuts the x-axis gives us the 10.44.
From this point on y-axis, draw a line parallel to x-axis cutting the less than ogive at a point. From this point draw a perpendicular on the x-axis, the point at which the Ch 13 Maths Class 10 Vedantu Uniform perpendicular cuts the x-axis gives us the median. Solution: Class 9 Maths Ch 10 Ex 10.4 Asia Ex Find the mean heart beats per minute for these women, choosing a suitable method Solution: Class 9 Maths Ch 10 Ex 10.4 Asia Ex Solution: Class 10 Maths Statistics Mind Maps Basic Terms Class limits : Suppose mark obtained by all of the students are divided into class intervals 25 � 35, 35 � 45 and so interval mahs.
Class mark : It is given by Ungrouped and Grouped Data The data obtained in original form are called raw data or ungrouped data. Median Median is a measure of central tendency which gives the value of the middle-most Class 9 Maths Ch 10 Ex 10.4 Asia observation in the data. Median by Graph i Class 9 Maths Ch 10 Ex 10.4 Asia Draw the ogive of the less than type and ogive of the more than type on the same axis. RD Sharma Class 12 Solutions. Watch Class 9 Maths Ch 10 Ex 10.4 Asia Youtube Videos.
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