Evidence in Tables & Graphs - SAT Reading & Writing
Card 1 of 24
Which graph type best displays trends over time?
Which graph type best displays trends over time?
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A line graph. Shows continuous change and patterns across time periods.
A line graph. Shows continuous change and patterns across time periods.
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What does the slope of a line in a graph represent?
What does the slope of a line in a graph represent?
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The rate of change between variables. Shows how much one variable changes per unit of another.
The rate of change between variables. Shows how much one variable changes per unit of another.
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Which graph type is most effective for comparing parts of a whole?
Which graph type is most effective for comparing parts of a whole?
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A pie chart. Shows proportional relationships within a total.
A pie chart. Shows proportional relationships within a total.
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What is the median value in a data set?
What is the median value in a data set?
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The middle value when data is ordered. Half the values are above and half below this point.
The middle value when data is ordered. Half the values are above and half below this point.
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Which axis typically represents the dependent variable in a graph?
Which axis typically represents the dependent variable in a graph?
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The $y$-axis. The vertical axis shows the outcome being measured.
The $y$-axis. The vertical axis shows the outcome being measured.
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Identify the relationship in a scatter plot with points closely hugging a line.
Identify the relationship in a scatter plot with points closely hugging a line.
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A strong correlation. Points near a line indicate variables change together predictably.
A strong correlation. Points near a line indicate variables change together predictably.
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What is the first step in reading a bar graph?
What is the first step in reading a bar graph?
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Examine the axis labels and scale. Understanding units and intervals ensures accurate interpretation.
Examine the axis labels and scale. Understanding units and intervals ensures accurate interpretation.
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How can one determine the mode in a set of data?
How can one determine the mode in a set of data?
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Identify the most frequent value. Mode is the value that appears most often.
Identify the most frequent value. Mode is the value that appears most often.
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Which graph type is best for comparing quantities?
Which graph type is best for comparing quantities?
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Bar chart. Easily compares discrete categories side by side.
Bar chart. Easily compares discrete categories side by side.
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Identify the outlier in the data set: 4, 4, 5, 10, 100.
Identify the outlier in the data set: 4, 4, 5, 10, 100.
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Outlier = 100. Value significantly different from the rest of the data.
Outlier = 100. Value significantly different from the rest of the data.
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What is the primary purpose of a histogram?
What is the primary purpose of a histogram?
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Show frequency distribution. Bars display how often values occur in ranges.
Show frequency distribution. Bars display how often values occur in ranges.
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Find the y-intercept of the line $y = 5x + 7$.
Find the y-intercept of the line $y = 5x + 7$.
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Y-intercept = 7. Constant term where line crosses the y-axis.
Y-intercept = 7. Constant term where line crosses the y-axis.
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What is the median of the data set: 3, 9, 11, 15, 18?
What is the median of the data set: 3, 9, 11, 15, 18?
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Median = 11. Middle value when data is arranged in order.
Median = 11. Middle value when data is arranged in order.
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What does a scatter plot typically show?
What does a scatter plot typically show?
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Relationship between two variables. Points plotted to reveal patterns or correlations.
Relationship between two variables. Points plotted to reveal patterns or correlations.
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What should be checked to ensure data accuracy in tables?
What should be checked to ensure data accuracy in tables?
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Source and units. Verifies data origin and measurement standards.
Source and units. Verifies data origin and measurement standards.
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What is needed to compare data sets effectively?
What is needed to compare data sets effectively?
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Consistent scales and units. Enables meaningful comparison across different data sets.
Consistent scales and units. Enables meaningful comparison across different data sets.
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Which type of graph is best for showing proportions?
Which type of graph is best for showing proportions?
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Pie chart. Circular format naturally displays parts of a whole.
Pie chart. Circular format naturally displays parts of a whole.
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What is the first step when interpreting a graph?
What is the first step when interpreting a graph?
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Read the title and axis labels. Establishes context and understanding before analyzing data.
Read the title and axis labels. Establishes context and understanding before analyzing data.
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Find the range of the data set: 10, 22, 30, 40.
Find the range of the data set: 10, 22, 30, 40.
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Range = 30. Difference between highest and lowest values $(40-10=30)$.
Range = 30. Difference between highest and lowest values $(40-10=30)$.
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Determine the slope of the line if the graph shows $y = 2x + 3$.
Determine the slope of the line if the graph shows $y = 2x + 3$.
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Slope = 2. Coefficient of $x$ represents rate of change.
Slope = 2. Coefficient of $x$ represents rate of change.
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Which type of graph is used for cumulative data?
Which type of graph is used for cumulative data?
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Cumulative frequency graph. Shows running totals as data accumulates.
Cumulative frequency graph. Shows running totals as data accumulates.
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What information does the x-axis typically represent in a graph?
What information does the x-axis typically represent in a graph?
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Independent variable. The variable that is controlled or manipulated.
Independent variable. The variable that is controlled or manipulated.
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Find the mean value from the data set: 5, 8, 12, 15.
Find the mean value from the data set: 5, 8, 12, 15.
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Mean = 10. Sum of values $(5+8+12+15=40)$ divided by count $(40÷4=10)$.
Mean = 10. Sum of values $(5+8+12+15=40)$ divided by count $(40÷4=10)$.
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Which graph type is optimal for displaying changes over time?
Which graph type is optimal for displaying changes over time?
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Line graph. Connects data points to show trends over intervals.
Line graph. Connects data points to show trends over intervals.
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