Continuous Variables
A continuous variable can assume all values within a certain range, e.g., height, weight and age of persons are examples of continuous variables..
Variable
Quantities such as height, weight, age, amount can have several different values. Quantities which can assume different numerical values are called variables. Variables are of two types: (a) Continuous (b) Discre..
Continuous Variable
Consider an example. A person was asked to measure the thickness of a coin. He recorded the following readings: (i) 0.2 cm with ruler (ii) 0.23 cm with vernier (iii) 0.231 cm with micrometer The accuracy of thickness of the coin depended on the instrument used for measuring the thickness. Thus the..
Continuous random variable
A random variable which can assume all possible values between certain limits is called a continuous random variable..
Variables
A set of observations is called a called a collection of data. These observations should possess some common characteristics. They are recorded and used for further study. The quantities such as age, height and number of students are called variables..
Variable Speed
Example: A rubber ball dropped from a certain height (h 1 ) on reaching the ground bounces up to a height less than the initial one (h 2 ). It continues to bounce but the height to which it rises keeps decreasing (h 3 , h 4 ). The distance covered by the ball in unit time decreases. The ..
Communicable Diseases - Continued
Typhoid - This is the most communicable disease in our country and effects mainly children in the age group 0-15 years. Every year 2.5 million people suffer from typhoid. Caused by bacterium salmonella typhi, it passes out through the excreta of the infected person. This is spread by hous..
Communicable Diseases - Continued
This is the most communicable disease in our country and effects mainly children in the age group 0-15 years. Every year 2.5 million people suffer from typhoid. Caused by bacterium salmonella typhi, it passes out through the excreta of the infected person. This is spread by housefli..
State whether the variable is discrete or continuous:The number of chi..
State whether the variable is discrete or continuous: The number of children playing in a park. => discrete or either discrete or continuous or cannot be determined or continuous..
Linear Equations in One Variable
Linear Equations in One Variable - An equation of one variable and of first order (i.e., its highest power is one) is called a Linear equation. Such an equation has only one solution. A solution is also called the 'root' of the given equation.An equation of one variable..
Linear Equations in One Variable - An equation of one variable and of first order (i.e., its highest power is one) is called a Linear equation. Such an equation has only one solution. A solution is also called the 'root' of the given equation.An equation of one variable.. Result
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