Median is one of the observations in the data if a number of observations is odd. Solution If the total number of observations given is odd, then... View Article
The median of any data lies between the minimum and maximum observations. Solution In Mathematics, the median is defined as the middle value of a... View Article
If the arithmetic means of 8, 4, x, 6, 2, 7 is 5, then the value of x is 3. Solution Mean is defined as the average of the given numbers. Mean is... View Article
The representation of the data in the form of rectangles (bars) of uniform width is called a bar graph. Solution The pictorial representation... View Article
A double bar graph can be used to compare two collections of data. Solution A double-bar graph is a bar graph that displays two sets of data.... View Article
In throwing a die the number of possible outcomes is 6. Solution The set of all the possible outcomes on rolling a die, = {1,2,3,4,5,6}... View Article
When a die is thrown, the probability of getting a number less than 7 is 1. Solution Let us assume that 1, 2, 3, 4, 5 and 6 are the possible... View Article
The probability of an event that is impossible to happen is 0. Solution If the probability of occurrence of an event is 0, such an event... View Article
The probability of an event that is certain to happen is 1. Solution If there are n elementary events associated with a random experiment and n... View Article
Answer: Mean, Median, Mode are the measures of central tendency The central tendency is stated as the statistical measure that represents the... View Article
UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 08th Nov 2021. Important news and views to boost... View Article
The average or Arithmetic Mean or mean of a given data is defined as the sum of all observations by the Number of observations. Solution Mean is... View Article
The difference between the highest and the lowest observations of data is called range. Solution In statistics, the range is the difference... View Article
The correct answer is (d) 4, 3, 4, 3, 4, 6, 4e Solution Mean of the given data = (4 + 3 + 4 + 3 + 4 + 6 + 4)/7 = 4 Mode is the observation... View Article
The correct answer is (c) Mode Solution Mode is the observation that occurs most frequently in the data. A mode is defined as the value that... View Article
The correct answer is (d) decreased by 1.5 Solution From the given data we observe that Khilona earned scores in 3 exam = 97, 73, 88 So, Mean... View Article
