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Mathematics, 30.06.2019 08:00 Hailey1313131313
Me ! 1. an event manager recorded the number of people in different age groups that attended a music concert. a histogram titled concert audience is shown. the horizontal axis is labeled age group in years with bins 18 to 24, 25 to 31, 3 which data table accurately represents the data in the histogram? age group number of people 18β24 80 25β31 120 32β38 40 39β45 20 age group number of people 18β24 80 25β31 200 32β38 240 39β45 260 age group number of people 18β24 20 25β31 40 32β38 120 39β45 80 age group number of people 18β24 260 25β31 240 32β38 200 39β45 80 2. a dance school has 54 students who learn salsa, and 23 of those students also learn ballet. there are 15 students who do not learn salsa but learn ballet, and 10 students do not learn either salsa or ballet. which table best shows the relative frequency of rows for the data? (5 points) learn salsa do not learn salsa total learn ballet 0.29 0.19 1 do not learn ballet 0.39 0.13 1 total 0.68 0.32 1 learn salsa do not learn salsa total learn ballet 0.61 0.39 1 do not learn ballet 0.76 0.24 1 total 0.68 0.32 1 learn salsa do not learn salsa total learn ballet 0.43 0.60 1 do not learn ballet 0.57 0.4 1 total 0.68 0.32 1 learn salsa do not learn salsa total learn ballet 0.23 0.15 1 do not learn ballet 0.31 0.10 1 total 0.54 0.25 1
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