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What is Hypothesis Testing of Test Statistic?
The standard score associated with a given level of significance.
Relationship between level of significance and hypothesis testing?
A physician wishes to study the relationship between hypertension and smoking habits. From a random sample of 180 individuals, the following results were obtainedAt the 5% level of significance, test whether the absence of hypertension is independent of smoking habits.HypertensionSmoking habitNon-smokersModerate smokersHeavy smokersYes213630No482619
What is the meaning of hypothesis in statistics?
A hypothesis is the first step in running a statistical test (t-test, chi-square test, etc.) A NULL HYPOTHESIS is the probability that what you are testing does NOT occur. An ALTERNATIVE HYPOTHESIS is the probability that what you are testing DOES occur.
What are the assumptions underlying the two sample t test?
The assumptions of a two-sample t-test are: Each sample come from a normally distributed population. Both populations have equal variances. The data are sampled independently from each population.
Difference between test condition and test scenario?
1) Test Condition is a process to test an application where as Test Sc enario is the way to test test an application. 2) Take an Example of Login Screen where Test Condition is; after entering UserName and Password, home page will come. But in case of Test Scenario,you can do this by so many ways like +ve testing, -ve testing etc.
