RESEARCH METHODOLOGY

METHODS OF DATA ANALYSIS

DECISION MAKING WITH HYPOTHESIS TESTING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A hypothesis that states the existence of a difference between two parameters
A
Null
B
Alternative
C
Type I error
D
Type II error
Explanation: 

Detailed explanation-1: -The alternative hypothesis, symbolized by H1, is a statistical hypothesis that states the existence of a difference between a parameter and a specific value, or states that there is a difference between two parameters. The alternative hypothesis is sometimes called the research hypothesis.

Detailed explanation-2: -The null and alternative hypotheses are two competing claims that researchers weigh evidence for and against using a statistical test: Null hypothesis (H0): There’s no effect in the population. Alternative hypothesis (Ha or H1): There’s an effect in the population.

Detailed explanation-3: -The alternative hypothesis is the hypothesis that is inferred, given a rejected null hypothesis. Also called the research hypothesis, it is best described as an explanation for why the null hypothesis was rejected. Unlike the null, the alternative hypothesis is usually of most interest to the researcher.

Detailed explanation-4: -Alternative hypothesis defines there is a statistically important relationship between two variables. Whereas null hypothesis states there is no statistical relationship between the two variables. In statistics, we usually come across various kinds of hypotheses.

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