A oellular phone company monitors monthly phone usage. The following data represent the monthly phone use in minutes of one particular customer for the past
A oellular phone company monitors monthly phone usage. The following data represent the monthly phone use in minutes of one particular customer for the past 20 months. Use the given data to answer parts (a) and (b). 329 388 437 545 524 560 343 543 431 511 443 339 535 41 7 475 E 330 488 334 403 478 (:1) Determine the standard deviation and interquartile range of the data. 5: (Round to two decimal places as needed.)
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