Unit 1 Key Terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The three measures of central tendency are... | Mean, Median, and Mode
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| The three types of random samples are... | Simple, Systematic, and Stratified
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| The two types of biased samples are... | Convenience and Voluntary Response
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| The two types of samples are... | Random and Biased
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| Information gathered from a study, survey, or other means of collection is called... | Data
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| Data that can be placed into categories is called... | Qualitative Data
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| Data in the form of measurements or numerical values is called... | Quantitative Data
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| The large group of which individuals are chosen from to participate in a survey would be called the... | Population
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| The group of indiviuals chosen from the population to participate in a survey would be called the... | Sample
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| This is a special survey in which all of the units of a population are included. | Census
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| A sample chosen without any preference is called... | Random
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| A sample chosen with preference where individuals chosen are favored is called... | Biased
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| The difference between the greatest and least element is called the... | Range
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| The range is a measurement of... | dispersion
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| A chart that lists the number of times, or frequency, that each data value appears is called a... | Frequency Table
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| A table where values are grouped into classes that contain a range of values is called a... | Grouped Frequency Table
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| 30% and the 30th percentile mean the same thing: true or false | False
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| The number of standard deviations that a value is from the mean is called the... | Z-score
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| This allows you to determine the likely range for the true population proportion. | Margin of Error
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| When you add up all of the elements in a data set and then divide by the number of elements in the set you are finding the... | Mean
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| The element that occurs most often in a data set is called the... | Mode
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| The element that is in the middle of a data set is called the... | Median
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
tmjenkins
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