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A B C D E F G H J K L M N O P Chapter 11 Question 1 Using the dataset below, test the research hypothesis (at the .05 level of significance) that males raise their hands in class more often than females. Explain Using the same dataset as Question 1, test the research hypothesis at the .01 level your conclusion regarding the research hypothesis in the box below. Be thorough in of significance that there is a difference between males and females in the number your discussion, and remember to decide whether this is a one- or two-tailed test. of times they raise their hands in class. Notice this is a non-directional hypothesis unlike Question 1. What is your conclusion regarding this research hypothesis? How do the results differ, and why? n1=14,x1=7.92,$1^2-5.61. n2=16,x2=5.31,s2^2=5.70 Ho:x1=x2 Males Females H1:x1>x2 t=x1-x2//s1^21+s2^22 t=x1- x2/ /5.61/14+5.70/16t=2.61/0.8700 t=3.000 test statistics is 3.000 the corresponding p value of this test statistics is gotten from a t distribution table. Note degree of freedom is 14+16-2=28 and level of significance is 0.05 p value is 0.0028 decision rule if p value is greater than level of significance we ON reject the null hypothesis. If p value is lesser than level of CO W sigincifance, we reject the null hypothesis 0.0028 is lesser than 0.05 we reject the null hypothesis in conclusion there is 10 enough evidence to prove that males raise their hands more ow CO often in class than females. 10 O V 12 Mean