vocab
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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| population | a group of people you want to know more about
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| samples | represents entire population
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| biased sample | a sample that is not representative of the population
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| random sample | randomly chooses from the population who will be in the surveys, not likely to be biased
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| stratified random sample | breaks people up into groups. not likely to be biased
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| systemic sample | follows a rule. potentially biased
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| convenience sample | a lazy sample, picks people that are easy to get. likely to be biased
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| self selected sample | volunteers to be in sample. likely to be biased
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| mode | number that repeats the most in a set of data
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| median | the middle number in a group of data when numerically arranged
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| mean | average
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| range | difference between the largest and smallest number
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| mean absolute deviation | a measure of dispersion along with range
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| central tendency | mode median and mean
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| two way frequency table | divides data into categories across the top and down the side
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| joint frequencies | body of the table
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| marginal frequencies | rows and column totals
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| stem and leaf plots | displays data that organizes it based on their digits
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| histograms | displays data from a frequency table
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| box and whisker plots | organizes data values into groups
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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:
gabbypowell
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