BASIC GRAPHS VISUAL REPRESENTATIONS OF DATA OVERVIEW Information can be represented quickly and efficiently
Information can be presented more attractively Keep it simple and understandable Viewers will look for apprx 7 seconds! It starts with a TITLE newborns get a name right away! It ends with ANALYSIS look for highs/lows/trends
and then ask WHY? Why did we get what we got? BAR GRAPHS Allow viewer to see differences in data easily Good tool for comparing several subjects Categorical Data on the horizontal axis
Bars can go vertical or horizontal Title! And Label the horizontal/vertical axes Keep the increments (steps) the same Keep the bars the same width BAR GRAPHS cont.
Can have double bar graphs use a key then Can jump onceone time mulligan, squiggle ?does this zoom in for sharper comparisons or does it deceptively exaggerate the differences? Option: put exact number inside the bar, but NOT on top of bar
Pareto charts = vertical bar graphs arranged tall to small Bad Bar CIRCLE (PIE) GRAPHS
Another popular method for visually representing data Good tool for comparing parts of a whole percentages of 100% Begins with a circle or disc divided into slices/ sectors Put # or % inside the sectoror use artistic abilities with a key
Pieces of the pie cannot overlapdata in just one sector total cannot > 100% can use other section LINE GRAPHS Another fine tool, especially for showing change
Good when same subject is tracked repeatedly Put a TITLE on and Label the horizontal/vertical axes Keep the steps (strides) congruent Put a dot as high as the data should go Connect the dots from left to right with a
straightedge LINE GRAPHS cont. Can have double (or multiple) lines make a key for dashed, dotted, solid, zig zag lines etc, or colors
Can use the squiggle but only at the start, near the origin NOT in the middle of an axis Time Plots are special line graphs involving, you guessed it, time (normally on the x axis) Helpful in noting trends
PICTO GRAPHS Rare, but cute Uses repeated symbols Full symbol = amount set in your key Partial symbols < amount in your key Title/ axes labeled/ can go vert or horiz
Maintain same sized symbols and same spacing! Keep it simple, art majors DOT PLOTS Newer graphs, but not that modern Similar to vertical bar graph, but uses dots to
build upward Good tool for analysis center/shape/spread/outliers
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