Before drawing any conclusions about the relationship between two variables shown in a crosstabulation, you should _____
a. investigate whether any hidden variables could affect the conclusions
b. construct a scatter diagram and find the trendline
c. develop a relative frequency distribution
d. construct an ogive for each of the variables
a
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Scanner panels with cable TV are used primarily for determining prices
Indicate whether the statement is true or false
When the dependent variable is binary and there are several independent variables that are metric, in addition to two-group discriminant analysis all of the following models can be used except ________
A) OLS regression B) the logit model C) multiple discriminant analysis D) the probit model
The actual time taken to perform all necessary manufacturing functions in a process is referred to as _________________________
Fill in the blank(s) with correct word
Which of the following is not done by positive emotions?
a. They decrease spatial attention. b. They loosen inhibitions. c. They increase visual attention. d. They enhance the ability to use language.