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| Write an expression so there is no radical in the denominator |
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| Change the sign between the terms of an expression |
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| One of two equal factors whose product is k |
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| One of three equal factors whose product is k |
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| One of the n equal factors whose product is k |
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| The distance from a number to zero in the number line |
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Definition
| An equation that states that two ratios are equal |
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| A number that can be written as a fraction |
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| Rational Fraction Expression |
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Definition
| A fraction of the form P1/P2 where P1 and P2 are both polynomials and P2 does not equal 0 |
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| The result when a number or expression is divided by zero |
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| A fraction that has been reduced to lowest terms, meaning its numerator and denominator have no common factors other than 1 or -1 |
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| A polynomial with exactly two terms |
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| The arrangement of the binomial coefficients in a pattern of a triangle. Each row begins and ends in, and each entry is the sum of the two numbers above it. |
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| A method used to efficiently expand powers of binomials |
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| The addition of a set of numbers |
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| The complement of "at most" |
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Definition
| The complement of "at least" |
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| An experiment with two possible outcomes (success or failure) where the probability of each outcome is the same in each repeated trial, and the occurrence of one excludes the occurrence of the other in any trial. |
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Definition
| Probability based on observed outcomes |
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| Probability based on equally likely outcomes |
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| Events that have no outcomes in common (i.e. a red club) |
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| The result of multiplying descending natural numbers (i.e. 5x4x3x2x1) Symbol: ! |
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Definition
| A set of objects which position (or order) matters (A, B, C, D is not the same outcome as B, C, A, D) |
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| A set of objects in which position does not matter (1, 2, 3, 4 is the same outcome as 4, 2, 1, 3) |
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| The set of all possible outcomes |
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Definition
| A subset of the sample space |
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Definition
| An outcome that is affected by a previous outcome |
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Definition
| An outcome that is not affected by a previous outcome |
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Term
| Fundamental Counting Principle |
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Definition
| Used to find the number of elements in the sample space |
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Definition
| A symmetrical bell-shaped curve that represents the distribution of values, frequencies, or probabilities of a set of data |
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Definition
| A set of data that can be represented by a normal curve |
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Definition
| How many standard deviations a given data value, x, is from the mean |
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Definition
| Separate a dataset into four equal parts. |
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| Tells what percent of the total number of data values lie at or below a given measure |
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Term
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Definition
| The difference between the max and min data values |
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Term
| Interquartile Range (IQR) |
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Definition
| The difference between the first and third quartile values. (Q3-Q1) |
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Definition
| A data value that is greater that the upper quartile plus 1.5 times the IQR or less than the lower quartile minus 1.5 the IQR |
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Definition
| The average amount by which individual data items in a data set differ from the arithmetic mean of all the data in a set |
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| A statistical measure that tells us how measured data vary from the average value of the set of data. |
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| The average of a set of data |
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| The value that appears most often in a list of data |
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Definition
| The value in the middle of a list of data when values are arranged in order |
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| A table that displays the number of times each value or group of values occurs in a dataset |
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| A bar graph that shows the frequency of datasets |
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Definition
| A structured study that consists of two groups: on that maked use of the subject of the study, and a control group that does not |
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| A type of study in which individuals are observed or certain outcomes are measured. No attempt is made to affect the outcome (for example, no treatment is given) |
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| The whole set of objects that are of interest in a study |
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| A subset of the population |
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Definition
| Values collected from a single variable |
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Definition
| Values collected from two different variables |
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| An influence that affects the reliability of a statistical measurement in some way |
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