Bivariate Analysis

Question 1

A bivariate test of DIFFERENCE (between 2 groups of variables, 1 of which must be measured at the interval/ratio level).

Answer 1

t test

Question 2

p < ____ indicates that there is less than 5 chances in 100 samples that the result occurred by chance.

Answer 2

p < .05

Question 3

Hypothesis: As the temperature rises the number of people who go to Marilla Park pool increases. What is the direction of the relationship: positive or negative/inverse correlation?

Answer 3

positive correlation

Question 4

Hypothesis: As the temperature falls, the number of people who go to Marilla Pool decreases. What is the direction of the relationship: positive or negative/inverse correlation?

Answer 4

positive correlation–the variables are moving in the same direction (down)

Question 5

The notation for an ANOVA

Answer 5

F

Question 6

A _____ compares 2 variables to see if they occur together. More specifically, it tells us

(a) if there is a relationship between 2 variables;
(b) the strength of the relationship between the variables (e.g., .31 - .60 is a moderate correlation); &
(c) the direction of the relationship between the variables (+ or - )

Answer 6

Correlation (r)

Question 7

Analysis of 2 variables at a time.

Answer 7

Bivariate

Question 8

p < _____ indicates that there is less than 1 chance in 1000 samples that the result occurred by chance.

Answer 8

p < .001

Question 9

Probability that groups are statistically different. The ____ is the significance level.

Answer 9

p value

Question 10

p < ____ indicates that there is less than 1 chance 100 samples that the result occurred by chance.

Answer 10

p < .01

Question 11

A bivariate test of DIFFERENCE (between 2 or more groups of variables, 1 of which must be measured at the interval/ratio level).

Answer 11

ANOVA (F)

Question 12

A bivariate test of DIFFERENCE (between nominal, rank variables).

Answer 12

Chi Square