Scatterplot

Question 1

what is a positive relationship

Answer 1

highs with highs lows with lows

Question 2

what is R+

Answer 2

highs with highs lows with lows

Question 3

What is a negative relationship

Answer 3

highs with lows lows with highs

Question 4

what is R-

Answer 4

highs with lows lows with highs

Question 5

What is pearsons r

Answer 5

correlation coefficient

Question 6

What doess pearsons r measure

Answer 6

strength of correlations

Question 7

What doess pearsons r range from

Answer 7

-1 to 1

Question 8

what is the R2

Answer 8

determination coeffficient

Question 9

what does determination coeffficient indicate

Answer 9

what proportion of the variance in one variable is explained by the other variable

Question 10

what is a biased graph look like

Answer 10

asymettric

Question 11

what is unibiased graph look like

Answer 11

symmetric

Question 12

what do you do to the p value if its two tailed

Answer 12

halve it

Question 13

what happens if its a higher sample

Answer 13

more likely to be significant

Question 14

R is not suitable when

Answer 14

not linear

Question 15

if we have the same sample sizes what correlation do we have and what happens to p value

Answer 15

strong c

small p

Question 16

if we have the same magnitude what happens

Answer 16

larger N

small p values

Question 17

what does an outliner do

Answer 17

has a strong impact on r

Question 18

what is rho

Answer 18

analyses ranks of data

Question 19

when do we use rho

Answer 19

liner and when have outliner