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Question 1 Calculate for the 80th percentile. Answer convention : xx.x (ex. 210.2) 129 136 145 156 159 162 166 167 173 175 178 182

Question 1

Calculate for the 80th percentile. Answer convention : xx.x (ex. 210.2)

129
136
145
156
159
162
166
167
173
175
178
182
183
189
194
195
197
198
209
211
212
213
217
222
229
231
235
237
241
242
246
248
258
260
264
278
281
290
311
323
328
348
362
368
389
409
434
450
472
480

Question 3

Calculate for the standard deviation. Answer convention: xx.xx (ex. 88.88)

129
136
145
156
159
162
166
167
173
175
178
182
183
189
194
195
197
198
209
211
212
213
217
222
229
231
235
237
241
242
246
248
258
260
264
278
281
290
311
323
328
348
362
368
389
409
434
450
472
480

Question 4

Calculate for the coefficient variation. xx.xx (42.05)

129
136
145
156
159
162
166
167
173
175
178
182
183
189
194
195
197
198
209
211
212
213
217
222
229
231
235
237
241
242
246
248
258
260
264
278
281
290
311
323
328
348
362
368
389
409
434
450
472
480

Question 2

Calculate for the variance. Answer convention: xxxx.xx

129
136
145
156
159
162
166
167
173
175
178
182
183
189
194
195
197
198
209
211
212
213
217
222
229
231
235
237
241
242
246
248
258
260
264
278
281
290
311
323
328
348
362
368
389
409
434
450
472
480

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