Yearnumber of dropouts
17
28
36
46
56
64
74
81
...
Mathematics, 16.01.2020 12:31 tousif2663
Yearnumber of dropouts
17
28
36
46
56
64
74
81
92
107
116
121
131
141
153
163
175
184
195
207
the table gives 20 years of data on the number of students in a particular school who dropped out in the ninth grade. a sample is taken to include only the last 3 years of this data. with this information, calculate both the population mean and the sample mean for ninth-grade dropouts per year.
Answers: 3
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