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Unit 9
Data Representations
| Term | Definition |
|---|---|
| Bar graph | a graphical representation to organize data that uses solid bars that do not touch each other and a scaled axis to show the frequency (number of times) that each category occurs |
| Box plot (box and whisker plot) | a graphical representation showing the five-number summary of data (minimum, lower quartile, median, upper quartile, maximum) |
| Budget | a monthly or yearly spending and savings plan for an individual, family, business, or organization |
| Categorical data | data that represents the attributes of a group of people, events, or objects |
| Circle graph | a circular graph with partitions (sections) that represent a part of the total |
| Comparative box plots | a graphical representation that consists of at least two related box plots |
| Comparative dot plots | a graphical representation that consists of at least two related dot plots |
| Data | information that is collected about people, events, or objects |
| Dot plot | a graphical representation to organize small sets of data that uses dots (or Xs) to show the frequency (number of times) that each number occurs |
| Expense | payment for goods and services |
| Fixed expenses | expenses that are consistent from month to month |
| Graph | a visual representation of the relationships between data collected |
| Income | money earned or received |
| Income tax | a percentage of money paid on the earned wages of an individual or business for the federal and/or state governments as required by law |
| Inference | a conclusion or prediction based on data |
| Mean | average of a set of data found by finding the sum of a set of data and dividing the sum by the number of pieces of data in the set |
| Median | the middle number of a set of data that has been arranged in order from greatest to least or least to greatest |
| Mode of numeric data | most frequent value in a set of data |
| Numerical data | data that represents values or observations that can be measured and placed in ascending or descending order |
| Payroll tax | a percentage of money that a company withholds from its employees for the federal government as required by law |
| Population | total collection of persons, objects, or items of interest |
| Positive rational numbers | the set of numbers that can be expressed as a fraction , where a and b are counting (natural) numbers |
| Property tax | a percentage of money collected on the value of a property for the local government as required by law |
| Qualitative | a broad subjective description (e.g., the probability of an event occurring is certain, more likely, not likely, equally likely, or impossible.) |
| Quantitative | a narrowed objective description associated with a quantity (e.g., the probability of selecting a consonant from the word EXPERIMENT is 1.5 times as likely as selecting a vowel from the same word, etc.) |
| Random sample | a subset of the population selected without bias in order to make inferences about the entire population |
| Range | the difference between the greatest number and least number in a set of data |
| Sales tax | a percentage of money collected by a store (retailer), in addition to a good or service that was purchased, for the local government as required by law |
| Sample | a subset of the population selected in order to make inferences about the entire population |
| Savings for college | money saved for continuing education beyond high school |
| Savings for emergencies | money saved for unexpected expenses (e.g., car repairs, emergency healthcare, etc.) |
| Savings for retirement | money saved over the period of time an individual is employed to be spent once the individual retires from their occupation |
| Taxes | money paid to local, state, and federal governments to pay for things the government provides to its citizens |
| Variable expenses | expenses that vary in cost from month to month |
Created by:
acration
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