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.
A certain drug is used to treat asthma. In a clinical trial of the drug, 22 of 283 treated subjects experienced headaches (based on data from the manufacturer). The accompanying calculator display shows results from a test of the claim that less than 11% of treated subjects experienced headaches. Use the normal distribution as an approximation to the binomial distribution and assume a 0.01 significance level to complete parts (a) through (e) below. 1-PropZTest prop0.11 D. Ho: p<0.11 z=-1.734547566 p=0.0414104868 p=0.0777385159 n=283
The following are goals scored by a soccer team at each game in their recent season. 00 0 0 1 1 1 1 1 1 2 2 2 5 0 Complete the relative frequency table. Goals Frequency 1 2 3 4 0 0 1 1 3 5 1 1 1 3 4 4 6 11 3 2 2 1 Relative Frequency
Im having trouble on the last part which is Part c. I dont know if its C or B. I think its B but im not sure. The rest dont bother doing because im pretty sure its right so just focus on part c
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.
Please answer question 3.2 3.3 and 3.4
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.
A drug used to reduce the triglyceride (TG) level in the blood was given to 80 patients for 2 weeks. TG reduction was taken as reading after-reading after for each patient. Reductions are given in the following Table 4.4 9.6 10.4 14.3 6.5 11 14 10.6 7.4 12.9 15.1 6.3 8.7 11.9 15.1 6.5 9.1 10.5 11.8 11.4 10 13.7 14.6 15.7 11 11.8 9.2 9.5 11.9 9.2 16.7 10.8 11.9 8.6 11.6 9.4 12.6 14.5 13.4 9.4 12.8 15.2 12.2 12.4 13 12.6 7 12.2 13.2 13.7 13.4 15 13.8 8.5 14.6 12.5 14.1 13.1 11.9 12.4 15.3 11.1 7.5 15 15.7 11.8 13.5 10.1 16.1 12.1 14.7 12.9 16.7 8.7 9.6 11.3 17.2 14.9 14.2 13.4 B. According to Sturges rule calculate the number of interval and interval width C. Construct Frequency distribution Table that include lower limit, upper limit, mid interval, frequency, %, Relative frequency, cumulative frequency and cumulative relative frequency. D. Make frequency distribution Curve and label each axis. Are the data normally distributed and what is the most frequent reduction
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