Collect and Organize Data
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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| survey | a method of gathering information about a group
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| population | the entire group of individuals or objects considered for a survey
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| sample | a part of a population chosen for a survey
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| random sample | a sample in which each individual or object from the given population had an equal chance of being selected
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| unbiased sample | a sample that is representative of the population
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| biased sample | a sample that is not representative of the population
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| biased question | a question that suggests or leads to a specific response or excludes a certain group
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| cumulative frequency | a running total of frequencies, shown in a column of a frequency table
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| relative frequency | the frequency of a category of data divided by the sum of the frequencies
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| mean | the sum of a group of numbers divided by the number of addends
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| median | the middle number in a group of numbers arranged in numerical order
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| mode | the number or item that occurs the most often in a set of data
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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:
dselling
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