The data given below show the lives of 50 similar car batteries recordd to the nearesttenth of a year.2.2 4.1 3.5 4.5 3.2 3.7 3.0 2.6 3.4 1.6 3.13.3 3.8 3.1 4.7 3.7 2.5 4.3 3.4 3.6 2.9 3.33.9 3.1 3.3 3.1 3.7 4.4 3.2 4.1 1.9 3.4 4.73.8 3.2 2.6 3.9 3.0 4.2. 3.5Prepare a grouped frequency distribution taking the starting point as 1.5 and using 7number of classes.

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Answered: The data given below show the lives 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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The following data describes grades of students in physics. Complete the frequency table for this data. 91.3.96.7,91.4, 88.4.92.8, 96.7, 82.4, 87.3, 85.7, 95.2, 81.2, 93.2, 85.9, 84.9, 85.8, 83.5, 88.6, 82. I Determine the frequency of each class in the table shown. Grades of Students in Physics Class Frequency 78.0-81.9 82.0-85.9 86.0-89.9 90.0-93.9 94.0-97.9
A team of UMD students have invented an inhalable drug that they think will help people breathe better during hard exercise. They test the drug on 3 volunteers (A, B, and C) by measuring their levels of arterial oxygen before receiving the drug (their base level) and then after 5 and 10 minutes have elapsed, respectively. The results are listed in the table. Oxygen level [mmHg] A B C base level 847076 after 5 minutes 85 74 81 after 10 minutes 90 75 98 We want to see how the drug work (better or worse) when compared to the base level. Compute the 90% two-sided confidence intervals for the mean difference between the base level and after 5 minutes. X1b Xub X 1b -5.1783 Xub 11.8450 Compute the 90% two-sided confidence intervals for the mean difference between the base level and after 10 minutes. -1.94 ? Xx 0% 23.94 ? × 0% ? × 0% X 0%
A researcher was interested in how much longer the heart rate recovery time is for untrained college students compared to athletically trained college students. Eleven athletically untrained college students and nine athletically trained college students were put on a treadmill for fifteen minutes and then tested to see how many minutes it took for their heart rates to return to normal. The results of the study are shown below. Untrained: 8, 7, 7.2, 6.9, 7.8, 8.8, 8, 8, 8.8, 7.3, 8.6 Trained: 1.5, 1.5, 1.8, 2, 1.9, 2.3, 2.3, 2.4, 2.2 Assume both follow a Normal distribution. Compute the 95% confidence interval for the difference. Round to one decimal place. ( ___________ , _____________ )
A researcher wants to know how long it takes, on average, for a certain species of bacteria to divide. She watches 17 cells through a microscope and times how long it takes them to divide. She obtains the following data, in hours:8.1, 7, 7.4, 7.4, 6.6, 7.3, 7.5, 7, 7.7, 6.9, 7.9, 6.7, 6.7, 6.9, 7.5, 7.1, 7.3Assuming the population standard deviation is σ=0.4, construct a 89% confidence interval for the average time it takes this species of bacteria to divide.xˉ=α2=zα2=Margin of Error: E=We are 89% confident that this species of bacteria takes, on average, between ___hours and ___hours to divide.
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Following shows the numbers of Amazon Prime members in the millions, each quarter from 2016 to 2021. Quarter 2016 2017 2018 2019 2020 2021 1 26 36 48 62 81 98 2 27 37 50 65 83 103 3 29 40 53 69 86 109 4 33 44 57 74 93 117 Construct a line chart using the data. Describe the relationship between the time and number of subscribers.
3Maya Paniagua - L8.8 CW.pdf A%5B"1MCIGLdq5n5mqZamzDMo7KIONT_P4belS"%5D%2C"action"% 3.8 CW.pdf 100% 10. If GF 15 and CG = 23, find CD. F.
ANSWER THE LAST 2 QUESTIONS PLEASE
consider the Monty Hall problem for n-door. 1.What is the probability for the player to win by always switching to the only remaining door? 2. Suppose that after the host opens all remaining doors except B, the player flips a fair coin, gets the tail, and this entails him to switch to door B. What is his probability of winning?
The data set below represents the ages of 36 executives. Find the percentile that corresponds to an age of 41 years old. 28 29 30 31 32 33 33 35 35 35 36 39 39 39 40 40 41 41 43 44 55 57 58 59 53 63 47 48 52 53 54 60 62 62 64 64 量重重 Percentile of 41 = (Round to the nearest integer as needed.) Textbook Calculator Next 7:39 PM O Type here to search 33 70°F Cloudy ^ 1 4) 10/8/2021 23 Lenovo XL-BT 10/05/17 Esc PrtSc Insert Delete F1 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 %23 & Backspace Num Lock 3 4 5 7 T Y U 8O Tab C Home PgUp A F G H. CapsLk Enter C V B N 2 Shift End PgUp Fn Alt Alt Ctrl Home End Co の * 00 MN ( CO

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