ADV 8 Unit 2 Review
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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| Bias | Prejudice in favor of or against one thing, person, or group compared with another, usually in a way considered to be unfair.
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| Random Sample | A subset of the population selected without bias in order to make inferences about the entire population.
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| Simulation | An experiment or model used to test the outcomes of an event.
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| Examples of simulations with technology | random number generator
calculator
computer model
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| Examples of simulations without technology | spin a spinner
roll a cube
toss a coin
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| Mean | Average: Add all values and divide by the number of values.
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| Median | Middle: Put numbers in order from least to greatest. Mark off high and low values until you reach the middle. If there are 2 middles, add them and divide by 2.
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| Mode | Most: Put numbers in order from least to greatest. Find the number that appears the most. There may be more than one mode, or there may be no mode.
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| Range | Difference: Put numbers in order from least to greatest. Subtract the lowest number from the highest number.
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| Mean Absolute Deviation | The average of the distances of each value from the mean of the data set.
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| Calculating Mean Absolute Deviation | Find the mean of all values.
Find the distance of each value from that mean.
Find the mean of those differences.
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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:
hmyers
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