(Solution Document) A researcher wants to see if there is a difference between males and females in


A researcher wants to see if there is a difference between males and females in average spatial perception. The researcher obtains a random sample of individuals who take a standardized spatial perception test via the computer.


1) Which choice represents the correct wording of the null hypothesis, expressed in words?

A) There is a difference in average spatial perception between males and females, but only in the sample

B) Males will have a greater spatial perception average compared to females

C) There is a difference in average spatial perception between males and females

D) There is no difference in average spatial perception between males and females


2) Which choice could represent an example of a Type-I error applied to this scenario?

 







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