Comm 291 Statistics Populations STD Dev Chi Tables 2014 Assignment 3 Berkowitz

# Comm 291 Statistics Populations STD Dev Chi Tables 2014 Assignment 3 Berkowitz

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Question 1 – Interpreting or Misinterpreting Correlation a) If we assume that the conditions for correlation are met, which of the following are true? If false, explain briefly. A correlation of 0.02 indicates a strong positive association. False.’ A’ correlation’ o’ f’ ’ zero ’ indicates’ no’ association.’ A’ correlation’ close’ ’ of’ ’ 1’ indicates’ ’ a’ ’ strong’ positive’ association’ and’ ’ a’ ’ correlation’ ’ close’ ’ to’ ---1’ ’ indicates’ ’ a’ ’ strong’ ’ negative’ ’ correlation.’ ’ This’ indicates’ a’ weak’ positive’ association. Standardizing the variables will make the correlation 0. False.’ ’ Standardizing’ ’ does’ ’ not’ ’ change’ ’ the’ ’ shape.’ ’ Standardizing’ ’ Shifts’ ’ the’ ’ mean’ ’ to’ ’ 0,’ changes’ the’ standard’ deviation’ to’ 1,’ and’ removes’ the’ units.
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Comm 291 Statistics Populations STD Dev Chi Tables 2014 Assignment 3 Berkowitz

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