Tables and Graphs

Question 1

describe bar graph

Answer 1

bars separated by gap (show its not continuous)

DV - Y-axis
IV - X-axis

Question 2

when are bar graphs used?

Answer 2

plot totals, means or percentage scores

Question 3

describe histograms

Answer 3

used for continuous frequency data

bars touching - show its continuous

sometimes frequency polygon is drawn by joining midpoints

Question 4

describe line graph

Answer 4

used for continuous frequency data + multiple sets of data

X-axis = category 
Y-axis = frequency

Question 5

when is a line graph useful?

Answer 5

comparing 2 sets of frequency data on 1 graph

Question 6

describe scatter graph

Answer 6

used for correlational data

co-variables go on the axis

dots DO NOT join up
sometimes draw line of best fit