MF STATS

Question 1

Which test is used to analyze difference among group means (factors) 3+?

Answer 1

ANOVA

Question 2

Which test is used to predict if 2 means are significantly different from one another?

Answer 2

T-test

Question 3

Which test shows how strongly pairs of variables are related (height and weight)? (predict)

Answer 3

Correlational analysis
(Causal relationship can not be inferred)

Question 4

What test do you use if you know the value of x and want to find out the value of y (relates a dependent variable to one or more independent (explanatory) variables)? (predict)

Answer 4

Regression

Question 5

Tests if a patient is positive for the disease that they actually have the disease

Answer 5

Sensitivity

Question 6

Tests if a patient is negative for the disease that they really don’t have the disease

Answer 6

Specificity

Question 7

What is the square root of variance?

Answer 7

Standard deviation