A ______ is a graphical depiction of the information in a frequency table for a qualitative variable.
a. probability density function
b. bar graph
c. scatter plot
d. cumulative scatter plot
Ans: B
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A chi-square test for independence is being used to evaluate the relationship between two variables, one of which is classified into 3 categories and the second of which is classified into 4 categories. What is the df value for the chi-square statistic?
a. 6 c. 10 b. 7 d. 11
Once a theory is scientifically explored, it is likely ______________
Answer the following statement(s) true (T) or false (F)
The process that refers to changing physical energy into electrical signals is called agnosia
Indicate whether the statement is true or false
For any z distribution of normally distributed scores, P50 is always equal to zero
Indicate whether the statement is true or false