A cellular 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). 333 452 546 332 445   521 400 420 431 392 544 483 482 394 527 464 382 451 361 373 Part 1 ​(a) Determine the standard deviation and interquartile range of the data.   s=enter your response here ​(Round to two decimal places as​ needed.)

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A cellular 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).
333
452
546
332
445
 
521
400
420
431
392
544
483
482
394
527
464
382
451
361
373
Part 1
​(a) Determine the standard deviation and interquartile range of the data.
 
s=enter your response here
​(Round to two decimal places as​ needed.)
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