MTH 245.L002 NAME TEST 4 SHOW ALL WORK N0 CREDIT WILL BE GIVEN FOR ANY PROBLEM FOR WHICH N0 WORK I5 SHOWN-EVEN IF THE ANSWER I5 CORRECT 4. The sample size, mean life expectancy, and sTandard deviaTion, for males in The general population and male posTal workers are summarized in The given Table. AT The .05 level of significance, does The daTa suggesT ThaT male posTal workers have a mean life span ThaT is differenT from The mean life span of males in The general populaTion? (LeT L11 = mean life span for males in The general populaTion and #2 = mean life Span for male posTal workers) Males in The Male general populaTion posTal workers r11 = 200 n2 = 250 Q = 87 2 = 35 51 = 6.3 52 = 5.6