Prepare frequency distribution from the following weekly wages of 20 workers of a factory and also examine the error of grouping in each case.
200
215
207
211
210
228
245
221
250
238
229
231
230
248
250
241
235
250
233
230
Prepare frequency distribution from the following weekly wages of 20 workers of a factory and also examine the error of grouping in each case.
200
215
207
211
210
228
245
221
250
238
229
231
230
248
250
241
235
250
233
230