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4.Use the data below to calculate the 1st quartile of the decibel level of the disco music my neighbor plays every Saturday night over the

4.Use the data below to calculate the 1st quartile of the decibel level of the disco music my neighbor plays every Saturday night over the last year. (Round to two decimal places e.g. 57.46)

31 50 65 89
36 50 70 93
38 51 71 97
38 56 72 105
40 57 72 106
42 59 75 110
43 59 76 113
44 60 77 115
45 60 78 122
45 63 79 123
46 64 80 126
47 64 82 127
49 65 85 127

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