Discussion:
Q: According to the Insurance Information Institute, the mean annual expenditure for automobile insurance for U. S. motorists is $706. Suppose that a government official in North Carolina has surveyed a saimple random sample of 80 residents of her state, and that their auto insurance expenditures for the most recent year are in data. Based on these data, examine whether the mean annual auto insurance expenditure for motorists in North Carolina might be different from the $706 for the country as a whole. Identify and interpret the p-value for the test.Using the 0.05 level of significance, what conclusion do you reach?
Expense
729
940
953
678
532
828
627
812
799
618
598
920
558
853
633
650
665
549
788
451
964
783
881
742
784
883
638
769
971
765
686
928
639
597
568
934
844
618
602
893
722
827
706
855
479
873
647
957
751
678
611
721
774
824
910
882
653
811
696
1008
859
805
878
628
740
760
596
993
539
512
744
852
504
702
663
672
647
669
767
581