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 givendata to answer parts (a) and (b).Question Help v O329 392 459 359 333 -416 487 417 542 519507 508 495 395 405480 557 491 366 543S=(Round to two decimal places as needed.)IQR=(Type an integer or a decimal.)(b) Suppose the month in which the customer used 329 minutes was not actually that customer's phone. That particular month the customer did not use their phone at all, so 0 minutes were used How does changing theobservation from 329 to 0 affect the standard deviation and interquartile range? What property does this illustrate?The standard deviationand the interquartile rangeWhat property does this illustrate? Choose the correct answer belowis not affected.O Empirical RuleO Weighted MeanO Dispersionincreases.decreasesResistanceClick to select your answer(s).721 PM12221O Type here to searchTOUGHBOOKPanasonic CF-54因 @F8F6-4F3F2BackomeF1RoedsES&#37 08 B651 A12 A215RWEntecK2%24 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 givendata to answer parts (a) and (b)329 392 459 359 333 D416 487 417 542 519507 508 495 395 405480 557 491 366 543(a) Determine the standard deviation and interquartile range of the data.s=D (Round to two decimal places as needed.)IQR =(Type an integer or a decimal.)(b) Suppose the month in which the customer used 329 minutes was not actually that customer's phone. That particular month the customer did not use their phone at all, so 0 minutes were used How does changing theobservation from 329 to 0 affect the standard deviation and interquartile range? What property does this illustrate?The standard deviationV and the interquartile rangeWhat property does thiscorrect answer below.is not affectedO Empirical RuledecreasesWeighted MeanincreasesDispersionClick to select your answer(s).7:20 PM424 4 403/2/2021P Type here to searchTOUGHBOOKPanasonic C-54F8可F3BackspaceF1Es%6.2 421 A11URTWTabK2)F54

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We know that, the standard deviation (s) is defined as the square root of the deviation of the…