Frequency Distributions
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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| What is a raw score | A data point that has not been transformed or analyzed
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| What is a frequency distribution | the pattern of a set of numbers by displaying a count or proportion for each possible variable
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| What is a frequency table | a visual depiction of data that shows how often each value occurred that is how many scores were at each value.Values are listed in one column and scores are listed in second column
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| What is a histogram | It looks like a bar graph but is typically used to depict scale data with the x-axis and the frequencies on the y-axis
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| What is a frequency polygon | is a line graph with the x-axis representing values or midpoints of intervals and the y-axis representing frequencies. A dot is placed at the frequency and connected
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| What is a grouped frequency table | a visual depiction of data that reports the frequencies within a given interval rather than the frequencies for a specific value
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| What is a normal distribution | a specific frequency distribution that is a bell shaped symmetric uni-modal curve
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| What does positively skewed mean | the distribution tail extends to the right in a positive direction
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| What is the floor effect | a situation in which a constraint prevents a variable from taking on values below a certain point
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| What is the ceiling effect | a situation in which a constraint prevents a variable from taking on values above a given number
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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.
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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:
martinezle1
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