CMAS Data Interpretation and Analysis Flashcards
6 cards from real CMAS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 CMAS Data Interpretation and Analysis flashcards as text
Which graph type is best for showing how a quantity changes over time?
Answer: Line graph
Line graphs are specifically designed to show how a quantity changes continuously over a period of time.
A double bar graph compares the reading scores of boys and girls across three grades. What is the main advantage of using a double bar graph for this comparison?
Answer: It allows direct visual comparison of two groups side by side across multiple categories
Double bar graphs place two bars side by side for each category, making it easy to visually compare two groups.
A data set has values: 5, 7, 7, 9, 12. What is the mode?
Answer: 7
The mode is the value that appears most frequently; 7 appears twice while all other values appear once.
On a coordinate grid, a point is located at (3, –2). In which quadrant is this point?
Answer: Quadrant IV
A point with a positive x-value and negative y-value is in Quadrant IV.
A scatter plot shows points generally moving from the lower-left to the upper-right. What type of correlation does this show?
Answer: Positive correlation
When both variables increase together, the scatter plot trends upward from left to right, indicating a positive correlation.
Which statistical question could be answered using data collected from a survey?
Answer: How many hours per week do 5th graders in our school spend reading?
A statistical question anticipates variability in answers; asking about reading hours across many students requires data collection and analysis.