Chapter 1 | Chapter 6/7 | Chapter 3 | Chapter 4 | Chapter 5 |
---|---|---|---|---|
Bar Graph
This is used to represent the distribution of value categories for nominal level variables.
|
If and only If
IFF stands for
|
Independent Variables
Age, gender, race, and income are examples of what?
|
Mean
I am the most reported measure of central tendency.
|
True
T/F A Positive Z score will always have a percentile > 50?
|
Histogram
This like a bar graph uses the height of a bar to display the frequency (y-axis) of a given variable.
|
Spearman Rho
It is the nonparametric version of Pearson's
correlation coefficient. |
Nominal
This level of measurement has attributes that are exhaustive and mutually exclusive.
|
Standard Deviation
This is always reported along with the mean, it indicates how closely scores cluster around the mean.
|
1. Fisher's &Pearsons Skewness coefficient.
2. Histogram & Probability plots
Which two methods are used to examine whether a distribution is skewed or asymmetrical?
|
Frequency Distribution Table
It is an arrangement of values ( attributes) that shows the number of items ( Frequency) a given value ( score) or group of values occurs.
|
Scatterplot
A useful graphical presentation of the relationship between two continuous variables.
|
Null Hypothesis
There are no statistically significant relationships among the IV and DV or no statistically significant difference among groups IV with regard to the DV.
|
25th, 50th, 75 percentiles.
Quartiles are the (blank) percentiles?
|
Nominal Distribution
What kind of distribution is this?
show image |
Polygraph
What type of graph is this?
Image |
T
This value of the independent t‐test is the difference
between between the means of the two groups in standard standard deviations units. |
Reliability
The coefficient ranges from 0-1.
|
Boxplot
This does not provide as much information as a histogram or stem and leaf plot.
|
Negative
A raw score below the mean will always have a _z-score?
|
Absolute Frequency Distribution
This has four components Absolute frequency, cumulative frequency, percentage, cumulative percentage.
|
Samples mean and the P populations mean
The t value is the difference between what two standard deviation units (that is, standard errors = standard
|
cronbach's alpha formula
picture
|
Nominal
With this the mode of the only measure to be used.
|
Z(104)=104-100/16=.25
Assume you scored 104 on an IQ test. The mean of all the scores is 100 with a standard deviation of 16. What would the z-score be?
|