A researcher wanted to determine the number of televisions in households. He conducts a survey of 40 randomly selected households and obtains the data in the accompanying table. Complete parts (a) through (h) below.Click the icon to view the table of television counts.(c) Construct a relative frequency distribution of the data.TelevisionsRelative Frequency1345(Type integers or decimals. Do not round.)(d) What percentage of households in the survey have three televisions?(Type an integer or a decimal. Do not round.)(e) What percentage of households in the survey have four or more televisions?(Type an integer or a decimal. Do not round.)(f) Construct a frequency histogram of the data. Choose the correct graph below.StatcrunchNext7:51SAMSUNGesc A researcher wanted to determine the number of televisions in households. He conducts a survey of 40 randomly selected households and obtains the data in the accompanying table. Complete parts (a) through (h) below.E Click the icon to view the table of television counts.(a) Are these data discrete or continuous? Explain.O A. The given data are discrete because they can take on any real value.Table of television countsO B. The given data are continuous because they can take on any real value.O C. The given data are continuous because they can only have whole number values.0 3 2 2 1 2 1 3O D. The given data are discrete because they can only have whole number values.3 2 1 4 2 1 3 2(b) Construct a frequency distribution of the data.2 1 1 3 1 1 2 2TelevisionsFrequency2 40 1 4 5 2 12 4 2 1 1 2 2 334.PrintDone(c) Construct a relative frequency distribution of the data.StatcrunchNext0•0 7:51SAMSUNGesc

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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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For each test below, describe what it is used for and to what type of data does it apply.(a) Rosner’s test(b) Grubb’s test(c) Dixon’s test
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The weights (to the nearest five pounds) of 30 randomly selected male college students are organized in the histogram. Use the graph to find the median weight. The median weight is pounds. (Type an integer or a decimal.) C Students (frequency) Number 10- 8+ 6- 4- Weight of 30 Male College Students 110 115 120 125 130 135 140 145 150 155 160 165 Weight (pounds) ON
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Trying to determine the number of students to accept is a tricky task for universities. The Admissions staff at a small private college wants to use data from the past few years to predict the number of students enrolling in the university from those who are accepted by the university. The data are provided in the following table. R F eTextbook and Media Save for Late O % 5 T O >> G H (9) 2 Number Accepted Number Enrolled Find the correlation between the number of students accepted and enrolled. Use two decimal places in your answer. & 2,440 2,800 2,720 2,360 2,660 2,620 8 6 611 K 708 637 584 614 625 ( 9 L Attempts: 0 of 1 used ) 0 P Submit Answer 56°F Cl Backspa
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Researchers wondered whether the size of a person's brain was related to the individual's mental capacity. They selected a sample of 5 females and 5 males and measured their MRI image pixel counts and IQ scores. Females Males MRI IQ MRI IG The data is reported to the right. Complete parts (a) through (d) below 139 858,472 140 955,003 935,494 924,059 1.079.550 1,001.121 Click the icon to view the critical values table. 991,305 138 141 857,782 833,868 790,619 133 135 132 141 135 140 AMRI 1,080,000- AIO 145 AIO 145- AMRI 1,080,000 780,000 130 130 780,000 130 780,000 780,000 130 1,080,000 145 1,080,000 MRI 145 MRI (b) Compute the linear correlation coefficient between MRI count and IQ. Are MRI count and IQ linearly related? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Round to three decimal places as needed.) A. Yes, MRI count and IQ are linearly related since the linear correlation coefficient is O B. No. MRI count and IQ are not…
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A survey was conducted on how many texts (in average) students receive during an in-person class time. A survey data in a class in a particular day is given in the table. Number students Number of texts 1 20 2 14 12 4 5 If the average number texts that students received during this class time is 3, then determine the number of students (the value of x) that received 5 texts during the class time on that particular day.

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