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The representation of data with bars of uniform width is called _________.

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

_________ can be used to compare two collections of data.

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 _________.

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 _________.

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 which is impossible to happen is _________.

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 which is certain to happen is _________.

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

Mean, Median, Mode are the measures of _________.

Answer: Mean, Median, Mode are the measures of central tendency The central tendency is stated as the statistical measure that represents the... View Article

In a given data, arranged in ascending or descending order, the middle most observation is called _________.

In a given data, arranged in ascending or descending order, the middlemost observation is called the median Solution In Mathematics,... View Article

08 Nov 2021: The Hindu Analysis

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

In a set of observations, the observation that occurs the most often is called _________.

In a set of observations, the observation that occurs the most often is called mode. Solution Mode is the observation that occurs most... View Article

The mean of a data is defined as _________.

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 a data is called _________.

The difference between the highest and the lowest observations of data is called range. Solution In statistics, the range is the difference... View Article

Which of the following has the same mean, median and mode? (a) 6, 2, 5, 4, 3, 4, 1 (b) 4, 2, 2, 1, 3, 2, 3 (c) 2, 3, 7, 3, 8, 3, 2 (d) 4, 3, 4, 3, 4, 6, 4

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

Which measure of central tendency best represents the data of the most popular politician after a debate? (a) Mean (b) Median (c) Mode (d) Any of the above

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

Khilona earned scores of 97, 73 and 88 respectively in her first three examinations. If she scored 80 in the fourth examination, then her average score will be (a) increased by 1 (b) increased by 1.5 (c) decreased by 1 (d) decreased by 1.5

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

The mean of three numbers is 40. All the three numbers are different natural numbers. If lowest is 19, what could be highest possible number of remaining two numbers? (a) 81 (b) 40 (c) 100 (d) 71

The correct answer is (a) 81 Solution From the given data we observe that The mean of three numbers is 40. Lowest number = 19 Let us assume... View Article

On tossing a coin, the outcome is (a) only head (b) only tail (c) neither head nor tail (d) either head or tail

The correct answer is (d) either head or tail Solution On tossing a coin the outcome will either be head or tail, and both are equally... View Article

Some integers are marked on a board. What is the range of these integers? (a) 31 (b) 37 (c) 20 (d) 3

The correct answer is (b) 37 Solution The difference between the highest and lowest observations in a given data is called its Range. Range... View Article

In a school, only 2 out of 5 students can participate in a quiz. What is the chance that a student picked at random makes it to the competition? (a) 20% (b) 40% (c) 50% (d) 30%

The correct answer is (b) 40% Solution From the given details we note that In a school, only 2 out of 5 students can participate in a quiz.... View Article

There are 2 aces in each of the given set of cards placed face down. From which set are you certain to pick the two aces in the first go?

The correct answer is The probability of picking the two aces in the first go is in option (c).... View Article

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