Name a hypothesis test that you can use if you have data from 3 different popula

ID: 3230253 • Letter: N

Question

Name a hypothesis test that you can use if you have data from 3 different populations and you are testing if the difference in averages of your samples is statistically significant: Name a hypothesis test that you can use if you have given a group of subjects a pre-screening and a post-screening and are trying to determine if their scores improved: If you are running any hypothesis test, there are two types of errors that can occur: Type I, or Type II For each entry in the table below, enter whether it is a: Type I error, Type II error, or Correct Decision. When analyzing data, you want to try to keep your margin of error low. There are a few ways you can do this: 1) You could lower your 2) or You could increase your

Explanation / Answer

1) If we have a data from three different populations and testing anf if the difference in average of samples statistically sgnificant then we use TUKEYS HONESTLY SIGNIFICANT DIFFERENCE.

2) If given group of subjecta pre-screening and post screening and tryng to determine their score improved we use TESTING EQUALITY OF TWO POPULATION.

HYPOTHESIS TEST

CONCLUSION

REALITY

H0 IS TRUE

H0 IS FALSE

REJECT H 0

TYPE I ERROR

CORRECT DECISION

FAIL TO REJECT H 0

CORRECT DECSION

TYPE II ERROR