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;
15 Cards in this Set
- Front
- Back
|
frequency
|
the number of times a score occurs
|
|
|
a distribution
|
the general name for any orgainzed set of data
|
|
|
N
|
the sample size indicating the number of scores
|
|
|
simple frequency distribution
|
shows the number of times each score occurs in a set of data
|
|
|
normal distribution
|
a bell shaped curve; the normal curve or a normal distribution
|
|
|
skewed distribution
|
not symmetrical as it has only one pronounced tail; may be positively or negatively skewed
|
|
|
negatively skewed distributions
|
contains extreme low scores that have a low frequency, but does not contain low frequency extreme high scores
|
|
|
positively skewed distribution
|
contains extreme high scores that have a low frequency, but does not contain low frequency extreme low scores
|
|
|
bimodal distribution
|
a symmetrical distribution containing two distinct humps
|
|
|
rectangular distribution
|
a symmetrical distribution shaped like a rectangle
|
|
|
relative frequency
|
the proportion of time the score occurs
|
|
|
cumulative frequency
|
the frequency of al the scores at or below a particular score
|
|
|
percentile
|
the percent of all scores in the data that are at or below the score
|
|
|
grouped distribution
|
scores are combined to form small groups,and then we report the totoal f, rel f., or cf of each group
|
|
|
Kurtosis
|
"thickness" of a graph; mesokurtic-normal
leptokurtic- thin platykurtic- thick |
