graphs / tables

Question 1

one way contingency table

Answer 1

for data with a single categorical variable and are shown as a one dimensional table of columns

Question 2

two way contingency table

Answer 2

are for data with 2 categorical variables and are shwon as 2 dimensional tables of rows and colums

Question 3

marginal distributions

Answer 3

are the row and column sums of a 2 way contingency table –> shown as frequecnies or proportions

Question 4

conditional distributions

Answer 4

are 2 way tables that show the proportions of sampling units for one variable within each level of the second variable

Question 5

grouping varibles (bar graph)

Answer 5

for datasets with 2 categorical variables. The grouping variable is shown along the base of the figure, and levels of the second variable are shown as side-by-side bars within each level of the grouping variable

Question 6

grouped bar graph

Answer 6

visualzing datasets with 2 categorical variable. the grouping variable is shown along the base of the figure, and levels of the second variable are shown as side-by-side bars within each level of the grouping variable

Question 7

stacked bar graph

Answer 7

visualizing datasets with 2 categorical variables. The grouping variabe is shown along the base of the figure. The second variable is displayed as a single stacked bar graph within each level of the grouping variable with each level of the second variable distinguished by colour

Question 8

scatter plot

Answer 8

type of figure used to visualize data eith two numerical variables when there are no repeated measuremnets on sampling units

Question 9

box plots

Answer 9

type of figures used to visualize numerical data

Question 9

extreme threshold

Answer 9

temporary reference line used to draw the wiskers and extreme values. The thresholds drawn at 15. X the interquartile range above the top of the box and below the bottom of the both