QUE STION 4The tohowing data shows a random sample of 100 smal companies the net profits (and for somecompanies a losa) during financial year ended 2015Profits (RM00)Number of Companies10 but less than-5Shut less thanDObut less than 55 but less than 10122410 hut less than 202820 but les than 301030 but less than 5050 but es than 70Required,a Calculate the meanb) Calculate the Standard DeviationO Calculate the Quartile Deviationdi Calculate the Coeficient of variation* Calculate the Modedi Calcutate the Sknes

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Answered: The uwing data shows arandom sample of…

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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Q/ In the vehicle speed test, the results are given in the table below: Find 1. Arithmetic mean 2. Standard deviation 3. Skew coefficient 4. Kurtosis coefficient * Speed range (km/hr Speed range (km/hr Frequency(fi) Speed range (km/hr Frequency(fi) Frequency(fi) 34-35.9 4 44-45.9 22 54-55.9 13 36-37.9 46-47.9 8 56-57.9 8 38-39.9 48-49.9 18 58-59.9 40-41.9 10 50-51.9 17 60-61.9 42-43.9 7 52-53.9 16 62-63.9
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/transcript Call centers typically have high turnover. The director of human resources for a large bank has compiled data on about 70 former employees at one of the bank's call centers. The accompanying table shows this data. In writing an article about call center working conditions, a reporter has claimed that the average tenure is no more than two years. Formulate and test a hypothesis using these data to determine if this claim can be disputed. Use a level of significance of 0.05. Click the icon to view the call center data. Is there sufficient evidence at the 0.05 level of significance that the average tenure is no more than two years? Determine the null hypothesis, Ho, and the alternative hypothesis, H₁. Ho ... H₁: (Type whole numbers.) le Le
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nvestigate 12 temperature measurements are made in a laboratory over a period of time and the following values are obtained: 46,45,45,47,48,49,50,52,51,51,14,36 Use Chauvenet's criterion to identify any outliers in the data which should be rejected. Don't use the chauvenets table. Use the normal distribution table. es/standard-normal-table 0.06 0.07 0.08 Z 0.00 0.0180 0.0120 0.0160 0.0199 0.0239 0.0279 0.0319 0.0000 0.0040 0.0398 0.0438 0.0478 0.0517 0.0557 0.0596 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 = 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 20 1.9 2.0 2.1 2.2 2.3 74 2.4 2.5 2.6 24 2.7 2.8 2.9 3.0 3.1 = Ee 0.04 0.05 0.02 02 0.03 0.1179 0.1217 0.1255 0.1293 0.1331 0.1368 0.1554 0.1591 0.1628 0.1664 0.1700 0.1736 3.5 3.6 3.7 3.8 0.0793 0.0832 0.0871 0.0910 0.0948 0.0987 0.1026 0.10 1480 0.1517 0.1879 0.1915 0.19502019 0.2054 0.2088 0.2123 0.2157 0.2190 0.2224 0.2422 0.2454 0.2486 0.2517 0.2549 0.1985 0.2324 0.2257 0.2293 0.2580 0.2611 0.2642 0.2389 Amor P7704 0.2764 0.2794 0.2823 0.2852…

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