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D2L Quizzes - BUSI-2305 1002 1 1 X Chat Thread C 2% d21.lonestar.edu/d21/Ims/quizzing/user/attempt/quiz_start_frame_auto.d2|?ou=1542117isprv=qi=3404870cfql=0dnb=0fromQB=0... Comp Exam - Chpt 1-14 X Question 37 (1 point) 31 32 33 Listen A national manufacturer of ball bearings is experimenting with two different 34 35 36 processes for producing precision ball bearings. It is important that the diameters be as close as possible to an industry standard. The output from each process is 3 38 39 sampled, and the average error from the industry standard is measured in millimeters. The results are presented here. Process A Process B 40 41 42 Sample mean 2.0 3.0 Standard 1.0 0.5 43 44 45 deviation Sample size 12 14 46 47 48 The researcher is interested in determining whether there is evidence that the two processes yield different average errors. The population standard deviations are 49 50 unknown but are assumed equal. Assume that Process A is the first population. If we test the null hypothesis at the 1% level of significance, what is the decision? Quiz Information Reject the null hypothesis and conclude the means are different. Reject the null hypothesis and conclude the means are the same. Fail to reject the null hypothesis. OFail to reject the null hypothesis and conclude the means are different