GED math data and graphs flashcards
GED Math Data and Graphs Flashcards for Improved Understanding and Skill Development.
Quiz(14 preguntas)
1. Which graph is best for showing parts of a whole?
Términos en este set(16)
What is a bar graph?
A bar graph uses rectangular bars to represent data quantities. The length of each bar corresponds to the value it represents.
Fill the blank: A ___ shows the relationship between two variables.
scatter plot
True or false: Pie charts are best for comparing parts of a whole.
True, because pie charts visually represent data as slices of a circle, highlighting proportions.
Difference between mean and median.
Mean is the average of all data points; median is the middle value when data is ordered.
What is a line graph?
A line graph displays data points connected by lines, showing trends over time.
True or false: Histograms and bar graphs are identical.
False, because histograms represent continuous data while bar graphs represent discrete data.
What does the x-axis typically represent?
The x-axis usually represents the independent variable in a graph.
True or false: A data set can have multiple modes.
True, because a data set can have more than one value that appears most frequently.
What is the purpose of a box plot?
A box plot summarizes data distribution based on five key values: minimum, first quartile, median, third quartile, and maximum.
Fill the blank: In a scatter plot, the ___ variable is usually on the x-axis.
independent
What does the term ‘outlier’ refer to?
An outlier is a data point that differs significantly from other observations in a data set.
What is a frequency table?
A frequency table displays how often each value occurs in a data set.
True or false: Data can be represented in more than one type of graph.
True, because the same data can be visualized differently depending on the purpose.
What does the y-axis typically represent?
The y-axis usually represents the dependent variable in a graph.
What is a dot plot?
A dot plot uses dots to represent data points, useful for small data sets.
Difference between qualitative and quantitative data.
Qualitative data describes characteristics; quantitative data represents numerical values.
Preguntas en este set(14)
1. Which graph is best for showing parts of a whole?
2. What is the median of the data set: 3, 7, 8, 5, 12?
3. What type of data does a histogram represent?
4. Which statement about bar graphs is true?
5. Which of the following is NOT a measure of central tendency?
6. In a scatter plot, what do clusters of points indicate?
7. What does a box plot indicate?
8. What is the mode of the data set: 4, 4, 7, 8, 8, 8?
9. Which graph is best for showing changes over time?
10. True or false: A scatter plot can show correlation.
11. What does it mean if a data point is an outlier?
12. Which of the following is a characteristic of qualitative data?
13. What type of graph would you use to compare sales of different products?
14. What is the primary use of a frequency table?
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