EUS 7 Math: Probability & Statistics
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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| complementary events | two events are complements if the sum of their probabilities is 1, (the probability of something happening plus the probability of not happening is 1)
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| experimental probability | the ratio of the number of favorable results to the total number trials in a probability experiment; is based on what does happen in the experiment
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| favorable outcome | a desirable outcome
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| frequency table | a table that lists items and uses tally marks to collect data and show the number of times they occur
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| interval | the equal parts a scale is divided into on a graph
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| line plot | a number line used to show frequency of data
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| mean | the mathematical average of data; found by finding the sum of all the data and dividing by the number of data pieces
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| measure of central tendency | numbers or pieces of data that can represent or summarize a whole set of data, such as mean, median, and mode
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| sample space | the set of all possible outcomes of a probability event
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| scale | the set of numbers used to label an axis when graphing; must include the least and the greatest numbers in the set
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| simple event | a probability event that consists of exactly one outcome
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| stem-and-leaf plot | a display of numerical data in which each piece of data is separated into two numbers based on the place value and placed in columns of a t-chart
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| theoretical probability | the ratio of the number of favorable outcomes to the total number of possible outcomes; is based on what should happen under perfect circumstances
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| tree diagram | a visual representation that shows all possible outcomes in a probability event
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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:
debra allred
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