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Please help! Thank you! A cellular phone company monitors monthly phone usage. The following data represent the monthly phone use in minutes of 322 441

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A cellular phone company monitors monthly phone usage. The following data represent the monthly phone use in minutes of 322 441 420 448 383 Q one particular customer for the past 20 months. Use the given data to answer parts (a) and (b). 505 367 345 446 413 41 1 467 444 477 365 366 328 459 427 461 (a) Determine the standard deviation and interquartile range of the data. 3 = 52.21 (Round to two decimal places as needed.) IQR = E (Type an integer or a decimal.)

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