Comparison of students’ performance was conducted. There were two…

Question Answered step-by-step Comparison of students’ performance was conducted. There were two… Comparison of students’ performance was conducted. There were two equally sized groups of n1 = n2 = 10 students (graduate and undergraduate ones). The summaries are shown below. GroupSizeMean = XbarVariance = S2v=S2/nUndergraduaten1=10(Xbar)1=67.9(S2)1=141v1=14.1Graduaten2= 10(Xbar)2=78.5(S2)2=19v2=1.9 Registrar’s Office analysts assume that individual records are normally distributed with COMMON UNKNOWN population variance, (s1)2 = (s2)2 = s2. At the significance level, a = 0.01, do they have sufficient evidence that average undergraduate students’ performance is BELOW that for graduate ones?  Evaluate Test Statistic  Indicate Critical Value required  State Rejection Rule  Formulate Decision   Math Statistics and Probability STAT 1342 Share QuestionEmailCopy link Comments (0)

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