Data Insights: Graphics Interpretation Flashcards

A stacked bar chart shows total quarterly revenue split by product line. To read one product's trend over quarters, you should track:

Answer: The height of that product's segment across bars

A single product's trend is found by following its own segment's size across each bar.

A box plot shows a median line far closer to the bottom of the box than the top. This indicates the data is:

Answer: Right-skewed

A median near the lower quartile with a longer upper portion indicates right (positive) skew.

On a scatter plot, one point sits far from the main cluster. This point is best described as a(n):

Answer: Outlier

A point lying far outside the general pattern is an outlier.

A bubble chart uses bubble size to show market size. A large bubble at low price and high volume suggests:

Answer: A large market selling many low-priced units

Large bubble size means a large market, low x means low price, high y means high volume.

A line graph shows two lines that intersect at March. The intersection point means that in March the two quantities were:

Answer: Equal

Where two lines cross, the y-values of both series are equal at that x-value.

A percentage bar shows Region A grew from 200 to 250 units. The percentage increase is:

Answer: 25%

The increase of 50 divided by the original 200 equals 25%.

A graph uses a logarithmic y-axis. Equal vertical spacing on this axis represents:

Answer: Equal multiplicative (percentage) changes

On a log scale, equal distances represent equal ratios or percentage changes, not equal absolute amounts.