Question

2.0 2.5 2 4.0 8 (a) Compute the weighted mean. (Round your answer to three decimal places.) 13.44 (b) Compute the sample mean of the four data values without weighting. 3.025 Note the difference in the results provided by the two computations. Need Help? Read Walch 3. [O/10 Points) DETAILS PREVIOUS ANSWERS ASWSBE14 3.E.005.MI. Consider a sample with data values of 26, 25, 20. i5, 1, 33.29, and 25. Compute the 20th 25th, 65th, and 75th percentiles. 20th percentile 22x 25th percentile 23.75 X 65th percentile 27.66 x 75th percentile 28.5 Need Help? Read it 4. [6/10 Points) DETAILS PREVIOUS ANSWERS ASWSBE14 3.E.007. There is a severe shortage of critical care doctors and nurses to provide intensive care services in hospitals. To offset this shortage through video and audio so that a centralized staff of specially trained doctors and nurses-who can be located as far away as Austra time that a patient must wait for the first video interaction between the patient and the ICU staff. Suppose the following is a sample Wait Time (minutes) 42485146 47 4740 53 Type here to search o RI 200

Answer 1

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Answer-3

th = 1st observation +0.8 ( 2nd - ist) Here n = 8 = olo+i) ' + th 2019) Valye at observation (1.8th value of observation observation = (2008+1)] th value of observation - = 15 +0.8(20-15) = 15+4 =19 15 +008 (5) 20th percentile = 19 100 . [ ② 25th percentile = hs = ( 25(n+1) Value of the observation (1968+1) 7h Value of observation =[ 2.25]th. Value of the observation = { 2nd observation + 0.25( 3Yd_2nd) = 20+ 0.25/25-20) = 20+0.25(5) -20 +1.25 = 21.25 25th percentile 3 21.25

@ grth percentie - Pes = (65.60+)th value of the (5$ (8+1)] (65 (9))th value of the observation Observation th value of the observation درو) = 10o - = 5.85th value of the observation. =thoor = 5th Observation +0.85(6th-5th) = 26+0.851 19-20) = 26 +0.85(3) = 26+ 2.55 = 28.55 165th Arcentile = 28.55 th (ब) @ 75th Dercentile Pzs = (75(0+1) Value of the abservation. 75(8+) value of the observation (6.75th value of the observation = 6th Observation +0.75(7th oth) = 29 +0.75 (31-29 - 29 +0.75(3) = 29 +0.75(9 = 29+ los = 30.5 10o 1th 100 .. 75th percentile = 30.5