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A group of 25 internet shoppers were asked how much they invest per year on the Internet. Their responses (in dollars) are given below.

418 379 77 212 378
363 434 348 245 341
331 356 423 330 247
351 151 220 383 257
307 297 448 391 210

Find out a 95% confidence interval for mean amount spent by all Internet shoppers

Statistics and Probability, Statistics

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  • Reference No.:- M921256

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