30. FILE The following data give the weekly amounts spent on groceries for a sample of 45 households. $271 $363 $159 $ 76 $227 $337 $295 $319 $250 279 205 279 266 199 177 162 232 303 192 181 321 309 246 278 50 41 335 116 100 151 240 474 297 170 188 320 429 294 570 342 279 235 434 123 325 a. How many classes would you recommend? b. What class interval would you suggest? c. What would you recommend as the lower limit of the first class? d. Organize the data into a frequency distribution.

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30. FILE The following data give the weekly amounts spent on groceries for a sample of 45
households.
$271
$363
$159
$ 76
$227
$337
$295
$319
$250
279
205
279
266
199
177
162
232
303
192
181
321
309
246
278
50
41
335
116
100
151
240
474
297
170
188
320
429
294
570
342
279
235
434
123
325
a. How many classes would you recommend?
b. What class interval would you suggest?
c. What would you recommend as the lower limit of the first class?
d. Organize the data into a frequency distribution.
Transcribed Image Text:30. FILE The following data give the weekly amounts spent on groceries for a sample of 45 households. $271 $363 $159 $ 76 $227 $337 $295 $319 $250 279 205 279 266 199 177 162 232 303 192 181 321 309 246 278 50 41 335 116 100 151 240 474 297 170 188 320 429 294 570 342 279 235 434 123 325 a. How many classes would you recommend? b. What class interval would you suggest? c. What would you recommend as the lower limit of the first class? d. Organize the data into a frequency distribution.
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