### Monthly Phone Usage Data AnalysisA 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 the following questions.#### Monthly Phone Usage Data (in minutes):- 334, 369, 473, 538, 443- 506, 385, 542, 407, 336- 330, 497, 422, 445, 460- 372, 447, 449, 358, 455---#### Analysis:**Determine the standard deviation and interquartile range of the data.****s =** [ ] (Round to two decimal places as needed.)**IQR =** [ ] (Type an integer or a decimal.)This data helps in understanding the variability and distribution of phone usage over the specified period. Calculating the standard deviation and interquartile range provides insights into the spread and central tendency of the data.

Calculate Sample Standard deviation (S), Quartile deviation from the following…

Answered: A cellular phone company monitors…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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). (a) Determine the standard deviation and interquartile range of the data. S= (Round to two decimal places as needed.) 324 515 402 458 338 464 343 384 548 514 495 444 365 423 501 552 328 496 394 429
Listed below are the playing times (in seconds) of 16 popular songs. Find the range, variance, and standard deviation for the set of data. Does the standard deviation change much if the longest playing time is deleted? 440 244 256 253 232 270 257 292 206 261 291 242 281 277 218 245 D The range of the sample data is 234 seconds. (Type an integer or a decimal.) The variance of the sample data is (Round to one decimal place as needed.)
A baker keeps count of the number of doughnuts sold each day for consecutive selected 15 days. The numbers are (b) 135 147 134 146 155 155 141 135 147 151 147 175 151 156 147 (i) (1i) (ii1) Find the median. (iv) Find the mode. Find the mean. Find the standard deviation.
The following set of data represents the number of orders filled by a national-chain restaurant during a two week period. Construct a five number summary for the the data. 66, 75, 68, 89, 86, 73, 67, 75, 75, 82, 85, 74, 67, 61 (Round to the nearest hundredth, if needed). Min _________________ Lower Quartile _________________ Median __________________ Upper Quartile _________________ Maximum __________________ What is the range and the interquartile range (IQR)? Range __________________ Interquartile Range (IQR) ___________________
Find the range, sample standard deviation and inter-quartile range (IQR) of the following data set. 35 42 42 63 71 79 84 85 96 98 range = (Please enter an exact answer.) standard deviation (ss) = (Round to one decimal place.) IQR = (Please enter an exact answer.)A new number, 139, is added to the data set above. Find the range, sample standard deviation and IQR of the new data set.range = (Please enter an exact answer.) standard deviation = (Round to one decimal place.) IQR = (Please enter an exact answer.)Which measure of spread is less affected by the addition of the extreme observation? standard deviation Range IQR
A medical doctor is interested in determining whether mean body temperatures are different in the morning and at night. Five patients were recruited and their body temperatures were measured first at 8 AM and then again at 10 PM. The data is in the following table: Patient 1 2 4 Morning Night 98.0 97.6 97.2 97.0 98.0 97.0 98.8 97.6 97.7 98.8 For this matched pairs experiment, you should take the differences by calculating: Morning - Night. Also, you may use the fact that the sample standard deviation of 44/V5 the differences is 0.844 and that 0.844 0.3774. What is the test statistic for the test? Round your final answer to two decimals. Next Page Page 5 of 15 126 53 1. NOV 18
What is the population standard deviation using the following formula
Use the following set of values for #10 - 13. Round answers to nearest hundredth, if necessary. .3, .6, 9, 1.3, .4, .6, 1.2, 1.4, 1.1, .2, .2 10. Find the mean, median, and mode(s) 11. Find the range 12. Find the interquartile range 13. Find the standard deviation
Use the following Frequency table to calculate the standerd deviation. Class Frequency 2……4 4 5……7 6 8…….10 3 11…..13 2 14…..16 5

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