Question

The following data give the weekly amounts spent on groceries for a sample of households. $271...

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
  1. Create a frequency table of 9 classes
  2. Use the classes as (x) to find the mean of the distribution
  3. Use the classes to find the variance and standard deviation --------------------------
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