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PSY 380 Introduction to probability and statistics Question and answers 100% correct 2025/2026
PSY 380 Introduction to probability and statistics Question and answers 100% correct 2025/2026 
 
1) As a general rule, a simple frequency distribution should have between - correct answer 5-20 intervals 
 
A movie critic rates a movie on a scale from one (lowest) to four (highest) stars. What scale of measurement are the ratings? - correct answer ordinal 
 
1) The following samples were selected by two researchers. Which is associated with a smaller standard error of the mean? 
Researcher A...