Fifty boys and Fifty girls face off in a game of darts.  The dependent variable is the number of bulls-eye scored and the distributions were normal.  The boys averaged 5 bulls-eye/game (SD = 1.5).  The girls scored an average of 6 bulls-eye/game (SD = 2).  What is the observed value of the test statistic?   What is the critical value for the boys v. girls darts game for a two-sided research hypothesis?

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.4: Discrete Random Variables; Applications To Decision Making
Problem 10E
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 Fifty boys and Fifty girls face off in a game of darts.  The dependent variable is the number of bulls-eye scored and the distributions were normal.  The boys averaged 5 bulls-eye/game (SD = 1.5).  The girls scored an average of 6 bulls-eye/game (SD = 2). 

What is the observed value of the test statistic?  

What is the critical value for the boys v. girls darts game for a two-sided research hypothesis?

 

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