Hypothesis Meaning And Types
A statistical hypothesis sometimes called confirmatory data analysis is an assumption about a population parameter.
Hypothesis meaning and types. Although there are different types of hypothesis the most commonly and used hypothesis are null hypothesis and alternate. It is that type in which hypothesis is verified logically. A hypothesis which can be verified statistically called statistical hypothesis.
When two methods a and b are compared on their relative superiority and. A logical hypothesis is a planned explanation holding limited evidence. It is assumed that both the methods are equally good then such a statement is known as the null hypothesis a null hypothesis exists when a researcher believes there is no relationship between the two variables or there is a lack of information to state a scientific hypothesis.
Null hypothesis alternative hypothesis. Mill has given four cannons of these hypothesis e g. The hypothesis can be classified into various types.
Scientists use the scientific method to study phenomenon they observe. A complex hypothesis is a hypothesis that reflects relationship among more than two variables. Higher the poverty higher the illiteracy in a society higher will be the rate of crime three variables two independent variables and one dependent variable.
The way of explanation of the hypothesis must be very simple and it should also be understood that the simplicity of the hypothesis is not related to its significance. To elaborate it is a statement that translates the initial research question into a logical prediction shaped on the basis of available facts and evidence. The sample data are taken from the population parameter based on the assumptions.
The hypothesis must be specific and should have scope for conducting more tests. According to the definition a hypothesis is an assumption one makes based on existing knowledge. Lower the use of fertilizer improved seeds and modern equipments lower would be the agricultural productivity four variable.