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Class intervals, limits, and frequency distribution

The following data give the weekly amounts spent on groceries for a sample of 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 do 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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This solution provides step-by-step calculations for questions involving classes, class intervals, limits, and frequency distribution.

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