Components of ERD Entities : An entity is something about which the business needs to store data. An entity is a class of persons, places, objects, events or concepts about which we need to capture and store data. An entity Read More …
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What is a test statistic ?
A test statistic is used in a hypothesis test when you are deciding to support or reject the nullhypothesis. The test statistic takes your data from an experiment or survey and compares your resultsto the results you would expect from Read More …
What is the normal probability distribution function? State its properties.
The normal or Gaussian Probability Distribution is most popular and important because of itsunique mathematical properties which facilitate its application to practically any physical problem inthe real world; if not for the data’s distribution directly, then in terms of the Read More …
Which type of market do consumers prefer: monopoly, Cournot duopoly or Stackelberg duopoly?Why?
In a linear Stackelberg (S) and Cournot (C) duopoly model with homogeneous product, it is wellknown that S yields higher consumer surplus than C. The comparison of social welfare (or industryprofit), however, can go both ways if costs are asymmetric. Read More …
What are its important features of CSS ?
CSS handles the look and feel part of a web page. Using CSS the color of the text, the style of fonts, the spacing between paragraphs, how columns are sized and laid out, what background images or colors are used, Read More …
What are Switched Communication Networks ?
A switched communication network is a communication network which uses switching for connection of two non-adjacent nodes Switched communication networks are divided into circuit switch networks, message switched networks, and packed switched networks. Types Of Switched communication network1.Broadcast Communication Network.2.Fully Connected Network. 1.Broadcast Communication Network:-In computer networking and telecommunication, a broadcast Read More …
What is Access modifiers in Java?
Java is an object-oriented programming language, we have to follow the encapsulation wherein we hide the unwanted details. Java provides entities called “Access Modifiers or access specifiers” that help us to restrict the scope or visibility of a package, class, Read More …
Given the following sample of 10 numbers , 12 41 48 58 14 49 50 59 15 79 , Compute Mean deviation and Standard deviation for the data given above
Marks of six students are tabulated below:
Name : Raj Anil Amit Om Rita RenuMarks : 54 50 52 48 50 52From the population, tabulated above, you are supposed to choose a sample of size two.(a) Determine, how many samples of size two are possible(b) Construct sampling Read More …
