6.NR.2.2
Summarize categorical and quantitative (numerical) data sets in relation to the context: display the distributions of quantitative (numerical) data in plots on a number line, including dot plots, histograms, and box plots and display the distribution of categorical data using bar graphs.
Example Problems
The frequency table shows the quiz scores of students:
Find the median quiz score.
| Quiz score | Number of students |
|---|---|
| 60 | 2 |
| 70 | 3 |
| 80 | 3 |
| 90 | 2 |
| 100 | 1 |
Find the median quiz score.
Joey examined the age of her cousins.
What is the mode of the age of her cousins?
| Name | Age (years) |
|---|---|
| Tommy | 6 |
| Margie | 5 |
| Sadie | 3 |
| Ben | 3 |
| Harriet | 8 |
| Isaiah | 3 |
What is the mode of the age of her cousins?
The frequency table shows the number of goals a team scored in each match:
Find the median number of goals scored.
| Goals scored | Number of matches |
|---|---|
| 0 | 2 |
| 1 | 4 |
| 2 | 3 |
| 3 | 1 |
| 4 | 1 |
Find the median number of goals scored.
Khan Academy ResourcesComparing data displaysCreating frequency tablesCreating dot plotsRead histogramsCalculating the median: data displaysCreating box plotsReading dot plots & frequency tablesCalculating the mean: data displaysReading box plotsCreate histogramsStatistics intro: Mean, median, & modeConstructing a box plotReading box plotsWorked example: Creating a box plot (even number of data points)Comparing dot plots, histograms, and box plotsWorked example: Creating a box plot (odd number of data points)Frequency tables & dot plotsRepresenting dataCreating a histogramInterpreting a histogram
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