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How did you get 6 in the number of classes? The following data give the weekly amounts spent on groceries for a sample of households:

How did you get 6 in the number of classes?

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The following data give the weekly amounts spent on groceries for a sample of households: $291 348 175 90 198 338 300 345 298 242 175 267 291 181 201 135 248 213 323 164 296 301 250 299 20 49 125 381 74 135 212 472 317 169 181 479 400 369 617 346 297 256 424 138 361 a. How many classes would you recommend? Number of classes b. What class interval would you suggest? Class interval 100

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