Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
35 Cards in this Set
- Front
- Back
|
absicssa
|
The horizontal axis of a distribution.
|
|
|
arithmetic mean
|
Aithmetic average.
|
|
|
asymmetrical distribution
|
A distribution of scores in which there is not an exact correspondence in arrangement on the opposite sides of the middle line.
|
|
|
back-to-back stem-and-leaf chart
|
The back-to-back plots of distributions in which the original data are preserved with any desired precision.
|
|
|
bar graph
|
A graphic form for the distribution of data.
|
|
|
bimodal
|
Showing two modes (of a distribution).
|
|
|
central tendency
|
Location of the bulk of a distribution; measured by means, medians, modes, and trimmed means.
|
|
|
corrected range
|
Crude range plus one unit.
|
|
|
crude range
|
Highest score minus lowest score.
|
|
|
descriptive measure
|
Measures such as and that are used to calculate population values.
|
|
|
interquartile range
|
The difference between the 75th and 25th percentiles.
|
|
|
finite
|
Describing the condition in which all the units or events can, at least in theory, be completely counted.
|
|
|
frequency distribution
|
A chart that shows the number of times each score or other unit of observation occurs in a set of scores.
|
|
|
inferential measure
|
Measures such as S and S that are used to estimate population values based on a sample of values.
|
|
|
infinite
|
Boundless, or without limits.
|
|
|
standard score (z score)
|
Score converted to a standard deviation unit.
|
|
|
line graph
|
A line-graph distribution of frequencies of occurerence.
|
|
|
mean
|
The arithmetic average of a set of scores.
|
|
|
mean square (S ) or MS
|
Variance.
|
|
|
median
|
The midmost score of a distribution.
|
|
|
mode
|
The score occuring with the greatest frequency.
|
|
|
negatively skewed distribution
|
An assymmetrical distribution in which the pointed end is toward the left.
|
|
|
ordinate
|
The vertical axis of a distribution.
|
|
|
outliers
|
Scores lying far outside the normal range.
|
|
|
percentile
|
A point in a distribution of scores below which a specified percentage of scores fall.
|
|
|
positively skewed distribution
|
An asymmetrical distribution in which the pointed end is toward the right.
|
|
|
range
|
Distance between the highest and lowest score.
|
|
|
root mean square
|
An index of the variability of a set of daa around the mean values in a distribution.
|
|
|
stem-and-leaf chart
|
The plot of a distribution in which the original data are preserved with any desired precision.
|
|
|
standard normal curve
|
Normal curve with mena = 0 and = 1
|
|
|
symmetrical distribution
|
A distribution of scores in which there is an exacts correspondence in arrangementon the opposite sides of the middle line.
|
|
|
transformation
|
Conversion of data to another mathematical form
|
|
|
trimmed mean
|
The mean of a distribution from which a specified highest and lowest percentage of scores has been dropped.
|
|
|
unbiased estimator of the population of
|
A specific statistic usually written as S
|
|
|
variance
|
The mean ofd the squared deviations of scores from their means in a population or its unbiased estimate.
|
