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The median is always one of the numbers in a data. (True or False)

The median is always one of the numbers in the data. Solution The given statement is true. Since the median is the value of the... View Article

The mean is one of the numbers in a data. (True or False)

The mean is one of the numbers in the data. Solution The given statement is false. Since mean is may be or may not be one of the... View Article

The mode is always one of the numbers in a data. (True or False)

The mode is always one of the numbers in data. Solution The given statement is true. Since Mode is the value of the variable... View Article

Find the mode and median of the data: 13, 16, 12, 14, 19, 12, 14, 13, 14

13, 16, 12, 14, 19, 12, 14, 13, 14 Solution Let us first arrange the given data in an ascending order = 12, 12, 13, 13, 14, 14, 14, 16,... View Article

The weights (in kg.) of 15 students of a class are: 38, 42, 35, 37, 45, 50, 32, 43, 43, 40, 36, 38, 43, 38, 47 (i) Find the mode and median of this data. (ii) Is there more than one mode?

38, 42, 35, 37, 45, 50, 32, 43, 43, 40, 36, 38, 43, 38, 47 Solution Let us first arrange the given weights 15 students of a class in... View Article

The runs scored in a cricket match by 11 players is as follows: 6, 15, 120, 50, 100, 80, 10, 15, 8, 10, 15 Find the mean, mode and median of this data. Are the three same?

6, 15, 120, 50, 100, 80, 10, 15, 8, 10, 15 Solution Let us first arrange the runs scored in a cricket match by 11 players in ascending... View Article

The scores in mathematics test (out of 25) of 15 students is as follows: 19, 25, 23, 20, 9, 20, 15, 10, 5, 16, 25, 20, 24, 12, 20 Find the mode and median of this data. Are they same?

19, 25, 23, 20, 9, 20, 15, 10, 5, 16, 25, 20, 24, 12, 20 Solution Let us first arrange the given scores in ascending order, we 5,... View Article

The heights of 10 girls were measured in cm and the results are as follows: 135, 150, 139, 128, 151, 132, 146, 149, 143, 141. (i) What is the height of the tallest girl? (ii) What is the height of the shortest girl? (iii) What is the range of the data? (iv) What is the mean height of the girls? (v) How many girls have heights more than the mean height.

135, 150, 139, 128, 151, 132, 146, 149, 143, 141. Solution Let us first arrange the given set of data in ascending order 128, 132, 135, 139,... View Article

The rainfall (in mm) in a city on 7 days of a certain week was recorded as follows. (i) Find the range of rainfall in the above data. (ii) Find the mean rainfall for the week. (iii) On how many days was the rainfall less than the mean rainfall.

Day Mon Tue Wed Thurs Fri Sat Sun Rainfall(in mm) 0.0 12.2 2.1 0.0 20.5 5.5 1.0 Solution From the given data... View Article

Difference Between Structured, Semi-structured, and Unstructured Data

All three of them are variations of the structures present in big data, and they serve a similar purpose. But there is a significant difference... View Article

Difference Between SQL and PL/SQL

Both of these are relational database languages, but there is a significant difference between SQL and PL/SQL. SQL, on one hand, is the standard... View Article

Difference Between ZIP and RAR

Various types of file formats exist in the computer systems that we use. Out of all of them, we use the archive file formats for storing various... View Article

Difference Between Supercomputer and Mainframe Computer

Both of these are the most powerful types of computers developed to date. There is a fundamental difference between Supercomputer and Mainframe... View Article

Difference Between Simple and Complex View in SQL

Both of these are types of views in SQL. There is a primary difference between Simple and Complex View in SQL. But before we discuss that, let us... View Article

Difference Between RSA Algorithm and DSA

Both of these are types of encryption algorithms that vary in terms of their functionalities. We use both of these algorithms for cybersecurity,... View Article

Difference Between JOIN and UNION in SQL

Both of these are types of clauses in SQL. We use them both for combining data from two or more than two relations. There is a major difference... View Article

Difference Between Python and Java

Both of these are very popular types of programming languages, but differ in their coding lines, syntax, speed of execution, database, features,... View Article

Difference Between JFET and MOSFET

Both of these are field-effect transistors with different terminal devices. There is a crucial difference between JFET and MOSFET. In the case of... View Article

Difference Between Router and Switch

Both of these are connecting devices that help in networking. We use a router for settling on the shortest path through which any given packet... View Article

Difference Between Router and Gateway

Both of these transfer data among various networks. However, there is a fundamental difference between router and gateway. A router is a... View Article