CCGPSAlg-Unit 4
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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| Association | A connection between data values
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| Bivariate data | Pairs of linked numerical observations
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| Box-and-Whisker Plot | A diagram that shows the five-number summary of a distribution
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| Center | Measures of center refer to the summary measures used to describe the most “typical” value in a set of data
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| Conditional Frequencies | The relative frequencies in the body of a two-way frequency table
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| Correlation Coefficient | A measure of the strength of the linear relationship between two variables that is defined in terms of the (sample) covariance of the variables divided by their (sample) standard deviations
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| Dot plot | A method of visually displaying a distribution of data values where each data value is shown as a dot or mark above a number line
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| First Quartile (Q1) | The “middle value” in the lower half of the rank-ordered data
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| Histogram |
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| Interquartile Range | A measure of variation in a set of numerical data
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| Line of best fit (trend or regression line) | A straight line that best represents the data on a scatter plot
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| Mean absolute deviation | A measure of variation in a set of numerical data, computed by adding the distances between each data value and the mean, then dividing by the number of data values
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| Outlier | Sometimes, distributions are characterized by extreme values that differ greatly from the other observations. OUTLIER if the values lie outside these specific ranges:if the values lie outside these specific ranges: Median – (1.5 • IQR)& Median + (1.5 • I
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| Quantitative Variables | Numerical variables that represent a measurable quantity
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| Residuals (error) | Represents unexplained (or residual) variation after fitting a regression model
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| Scatter plot | A graph in the coordinate plane representing a set of bivariate data
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| Second Quartile (Q2) | The median value in the data set
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| Third quartile | For a data set with median M, the third quartile is the median of the data values greater than M
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| Trend | A change (either positive, negative or constant) in data values over time
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| Spread | refers to the variability of the data. If the data cluster around a single central value, the spread is smaller. The further the observations fall from the center, the greater the spread or variability of the set.
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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:
Deigh
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