Mathematics, 21.07.2020 19:01 marahsenno
Assume that farm sizes in a particular region are normally distributed with a population standard deviation of 200 acres. A random sample of 11 farm sizes in this region, in acres, is given below. Estimate the mean farm size for this region with 90% confidence. Round your answers to two decimal places and use ascending order.
Size
202
1092
1321
319
331
938
73
200
200
229
160
486
370
256
351
770
170
288
177
165
67
194
353
296
293
2179
934
1490
107
79
1756
206
171
1312
188
438
474
131
56
204
1397
162
537
608
171
181
409
175
210
2612
Size
202
1092
1321
319
331
938
73
200
200
229
160
486
370
256
351
770
170
288
177
165
67
194
353
296
293
2179
934
1490
107
79
1756
206
171
1312
188
438
474
131
56
204
1397
162
537
608
171
181
409
175
210
2612
Answers: 1
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