Search
Create
Log in
Sign up
Log in
Sign up
Second Quizlet Example by DS for PSY205
STUDY
Flashcards
Learn
Write
Spell
Test
PLAY
Match
Gravity
Chapters 1-4 : Gravetter and Wallnau Chapters 1 - 3: Simpson
Terms in this set (20)
Measure of central tendency when distribution is normal and data is at least at an interval level of measurement.
Arithmetic mean
Measure of variability when distribution is normal and data is at least at an interval level of measurement.
Standard deviation
Measure of central tendency when distribution is skewed and unimodal and/or data is at an ordinal level of measurement.
Median
Measure of variability when distribution is skewed and unimodal.
Interquartile range
Measure of variability to report when one calculates a mean.
Standard deviation
Measure of variability found by squaring a standard deviation.
Variance
Approximate percentage of scores found within the range of one standard deviation of a mean
34% + 34% = 68%
Approximate percentage of scores found within the range of two standard deviations from the mean
95%
Examples of measures of central tendency
Mean, median mode
Examples of measures of variability
Range, interquartile range, standard deviation, variance
Middle-most score in an ordered distribution of scores
P.50
Interquartile range
P.25 to P.75
Simple Range
Lowest to highest score
Mu
Mean of a population
Examples of descriptive statistics
measures of central tendency and measures of variability; graphs; tables
Examples of inferential statistics
t; F, Chi-Square
Statistically significant results
Unlikely NOT to be replicated; probability of failing to replicate being less than 5 in 100.
Percentile rank
Percentage of scores falling below a given score.
Mode
Most frequently occurring score or category.
Stem
Stem and leaf display
Exploratory descriptive data analysis procedure developed by John Tukey to impose order on a set of scores without 9as is the case with a grouped frequency distribution) losing the identity of the individual scores).
YOU MIGHT ALSO LIKE...
Essentials of Business Research | Silver, Stevens, Kernek, Wrenn, Loudon
AcademicMediaPremium
$9.99
STUDY GUIDE
CJ Statistics Midterm
25 Terms
erica_d_sallee
TRUE/FALSE- ECON
12 Terms
ballardmaggie
chapter 2: Describing and Presenting a Distribution of Scores
47 Terms
Jeweljr
OTHER SETS BY THIS CREATOR
Facts about Carroll University
12 Terms
dsimpson
Top 100 Learning Tools Quiz
11 Terms
dsimpson
Correlation and Simple Linear Regression
16 Terms
dsimpson
THIS SET IS OFTEN IN FOLDERS WITH...
Chapter 1 Vocab
27 Terms
hannahmehnert
Chapter 2 Vocab
20 Terms
hannahmehnert
Chapter 3 Vocab
15 Terms
hannahmehnert
Chapter 4 Vocab
11 Terms
hannahmehnert
;