Solve the following problems, BOX your final answer.1. Suppose that the Environmental Protection Agency of a developed country performs extensive tests on all newcar models in order to determine their mileage rating. Suppose that the following 35 measurements are obtainedby conducting such tests on a particular new car model.EPA MILEAGE RATINGS of CARS (MILEPER GALLON)36.336.342.143.838.440.537.630.141.037532.939.037.040.240.537.040.040.236.737.139.036.237.135.635934.833.931.938.539.938.838.638.139.841.1A Using 5 intervals, construct frequency distribution table. Use 30.0 as first lower class limit.8. Solve for the Mean, median, mode, variance range and standard deviation.C. Construct Frequency Polygon and Frequency HistogramFINAL ANSWER: (Use 4 decimal places)Mean =Range=Median=Variance =Mode =Std. Dev. =2. The following data are the measures of the diameters of 36 rivet heads in 1/1000 of an inch.6.721 6.779 6,826 6.709 6. 782 6.709 6.621 6.754 6.66l 6.668 6.644 6.7696.7346.803 6.728 6.765 6.760 6.689 6.668 6.625 6.728 6.766 6.706 6.7866.7676.678 6.709 6.728 6,749 6.819 6.799 6.784 6.666 6.765 6.765 6.721a) Using 6 intervals, make a frequency distribution table.b) Compute for the mean median, mode variance and standard deviation.e Construct Frequency PolygonFINAL ANSWER: (use 4 decimal places)MeanRange=Variance =Median =Mode =Std. Dev.1. The bank auditor selects 11 checking accounts and records the amount in each of the accounts:250.55 175.35 235.00265.00 150.25 200.00 300.55275.50 195.10 240.45 290.10Find the mean, median, made, range, variance and std. deviation of this data,Final AnswenMeanMedianModeRangeVarianceStd. Dev.

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Answered: 1. Suppose that the Environmental…

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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70 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # of times floss per week Frequency Relative Frequency Cumulative Frequency 0 5 0.0714 5 1 11 0.1571 16 2 11 0.1571 27 3 7 0.1 34 4 7 0.1 41 5 7 0.1 48 6 8 0.1143 7 70 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 2 times per week? %
The following relative frequency histogram presents the weights (in lb) of a sample of visitors to a health clinic. What percent of visitors to the health clinic weighed less than 150 lb?
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Use the following table for problems 1–10. The numbers represent the scores (in points) for a sample of 10 college basketball games: 66 49 32 57 35 57 39 41 33 31
Determine the level of measurement for the following variables. a. Sex b. Number of hours watching TV c. Course Title d. TV show rating (1-100%)
The following data are collected from pregnant women to compare the Plasma ascorbic acid level of smokers and non-smokers. Table: Plasma ascorbic acid values Non-smokers 0.97, 0.72, 1.00, 0.81, 0.62, 1.32, 1.14, 1.22, 0.90, 0.74, 0.88, 0.94 Smokers 0.88, 0.71, 0.98, 0.79, 1.01, 1.16, 0.78, 1.28 Test whether there is any difference between plasma ascorbic acid levels of smokers and non-smokers. Also find 95% confidence interval for the difference of two means. Describe your findings. Use alpha=0.05 [Hint: use hypothesis, test statistics confidence interval etc.]
110 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # of times floss per week Frequency Relative Frequency Cumulative Frequency 0 14 0.1273 14 1 15 0.1364 29 2 9 38 3 14 0.1273 4 11 0.1 63 5 17 0.1545 80 6 0.1091 92 7 18 0.1636 110 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 6 times per week? %
From September 1980 to August 1982, 50 premature infants were admitted to the Neonatal ICU of Lungsod ng Kabataan Children’s Hospital due to severe hyaline membrane disease. Data on the weights of these infants are shown below. Table X. Weights of Premature Infants with Severe Hyaline Membrane Disease Treated with Assisted Ventilation Weights in Grams Number of Patients 800-1000 1001-1200 1201-1400 1401-1600 1601-1800 1801-2000 2001-2200 2201-2400 3 4 6 5 5 8 9 10 Total 50 Find the following: Final Answer Interpretation Computation Mean Median Mode Range SD D6 P40 Q3
6. A sample of 5 fathers and their eldest sons gave the following data about their weight in Kgs. Father (x): 65 60 67 63 74 Son (y): 49 45 57 40 60 CS Scanned with CamScanner
To determine if their 14 oz filling machine is properly adjusted, Harvey Soft Drinks has decided to use an X-Chart which uses the range to estimate the variability in the sample. J. Answer How to enter your answ Table Step 1 of 7: What is the Center Line of the control chart? Round your answer to three decimal places. Control Chart Period 1 2 3 4 5 6 7 8 9 10 11 Select the Copy Table button to copy all values. To select an entire row or column, either click on the row or column header or use the Shift and arrow keys. To find the average of the selected cells, select the Average Values button. Copy Table Average Values The average of the selected cell(s) is 14.000. Copy Value Sample Mean Sample Range 14.0060 0.04 0.04 0.04 0.10 0.08 0.09 0.07 0.05 0.05 0.06 0.07 obs1 obs2 obs3 obs4 obs5 14.00 13.99 14.03 14.01 14.00 14.02 14.05 14.05 14.01 14.04 14.0340 14.02 14.01 14.05 14.04 14.02 14.0280 14.04 13.97 14.05 13.95 14.00 14.0020 13.96 14.01 14.00 14.04 14.02 14.0060 13.96 14.00 14.00…
Listed below are the measured radiation absorption rates ( in 5 - number summary . W/kg) corresponding to 11 cell phones . Use the given data to construct a boxplot and identify the 1.49,1.25, 1.38, 1.04, 1.46, 1.31, 1.28, 0.73, 1.41, 0.58, 1.36
4. Differentiate the following: a. Quantitative and qualitative variable b. Discrete and continuous variable c. Population and sample d. Nominal, ordinal, interval, and ratio measurement scale

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