This table shows the age distribution of people in the United States in 2010.a. Complete the last column of a copy of this table.Proportion ofPopulation!AgeNumber of PeopleUnder 1874,181,4670.240318-44112,806,64245-6481,489,4450.263965 and Over40,267,984Total308,745,538Source: Age and Sex Composition: 2010, Census Briefs, www.census.gov/prod/cen2010/briefs/c2010br-03.pdfThe fellewUS

This table shows the age distribution of people in the united States in 2010. We have to complete…

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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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The ages of the members of a legislature from a particular state are listed below. Find the mean, median, and mode of the data set, if possible. If any measure cannot be found or does not represent the center of the data, explain why. 65 44 37 46 52 46 34 55 49 O Find the median age. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The median age is (Round to one decimal place as needed.) O B. There is no median age. Does the median represent the center of the data? O A. The median represents the center. O B. The median does not represent the center because it is the largest data value. O C. The median does not represent the center because it is not a data value. O D. The median does not represent the center because it is the smallest data value. O E. There is no median age. Find the mode of the ages. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
Below is a sample of 21 diastolic blood pressure readings. Data: 104, 88, 93, 51, 56, 70, 68, 84, 78, 67, 88, 93, 96, 80, 80, 75, 78, 85, 88, 80, 82 a. What is the class width if you use 5 classes to create a frequency table? b. What is the mean? Round your answer to two decimal places. c. What is the median? d. What is the range? e. What is Q1? f. What is Q3?
Indicate the level of the measurement of the data in the table below. Write down the number of the question with the correct answer. Religious affiliationThe number of sit-ups you can doNumber of traffic fatalitiesTime required to complete a crossword puzzle The ages of the students in your study groupThe colours you can identify in a rainbowTelephone numbers in a telephone directoryShoe sizesThe three major professional tennis tournaments The classification of Boeing aircraft as 727, 737 or 747, according to size
A veterinarian recorded how many kittens were born in each litter. This data is summarized in the histogram below. (Note: The last class actually represents "7 or more kittens," not just 7 kittens.) QUESTIONL: What is the frequency of the litter having at most 2 kittens? (PHOTO ATTACHED)
Based on your collected data on the survey of assignment 1 fill the following table and then answer the questions below. Age (Years) Male Female Less than 21 years 1 6. Between or equal 21 and 24 years More than 24 years 2
Referto the table below: Weight (in kg) 40-44 45-49 50-54 55-59 60-64 65-69 70-74 75-79 The value of N is Answer: — I Frequency 1 14 15 21 14 10 4 1
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…
mg Calcium is essential to tree growth. In 1990, the concentration of calcium in precipitation in a certain area was 0.12 milligrams per liter A random sample of 10 precipitation dates in 2018 results in the following data table. Complete parts (a) through (c) below. (a) State the hypotheses for determining if the mean concentration of calcium precipitation has changed since 1990. Ho: V0.12 mg/L H,: V0.12 mg/L mg mg (b) With 99% confidence, the mean concentration of calcium in precipitation in this area in 2018 is between and (Use ascending order. Round to four decimal places as needed.) (c) Does the sample evidence suggest that calcium concentrations have changed since 1990? mg O A. No, because the confidence interval contains 0.12 mg O B. No, because the confidence interval does not contain 0.12 O C. Yes, because the confidence interval does not contain 0.12 mg O D. Yes, because the confidence interval contains 0.12 L
The weekly salaries (in dollars) for the workers in a local paper factory are listed below. Find the median and mode of the salaries. 614, 607, 712, 607, 752, 655, 620, 681, 730, 650, 607, 710, 655, 620 ..... The median salary is $. (Type an integer or a decimal.) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. Q 5 O A. The mode of the salaries is $ (Type an integer or a decimal. Use a comma to separate answers as needed.) B. There is no mode.
Provide a brief description to the histogram below
Create a Frequency Distribution Table using the data provided: 46, 62, 38, 28, 57, 71, 63, 75, 60, 74, 82, 77, 80, 94, 89 The FDT should include 1. classes with the lower and upper limits 2. class boundaries 3. tally 4. frequencies 5. class marks 6. cumulative frequency
One of the biggest factors in determining the value of a home is the square footage. The accompanying data represent the square footage and selling price (in thousands of dollars) for a random sample of homes for sale in a certain region. Complete parts (a) through (h) below. A Click the icon to view the housing data. (a) Which variable is the explanatory variable? Question Help v O Square Footage O Selling Price (b) Draw a scatter diagram of the data. Choose the correct scatter diagram below. O A. 4500- OB. 750 Oc. OD. 750- 1000- 150 1000 Click to select your answer(s) 4500 P Type here to search ON&E EB WA 421 PM 914 Panasonic CF-54 TOUGHBOOK 図 CDSS-4853 SarolPause Lock Break A/C F8 F9 F10 F11 F12 PrtSc Num Lock F2 F3 F4 F5 F6 F7 Esc SysRa Back space & Home 2$ 4 @ %23 1 A1 2 AZ 3 5 Page Y U R Q W 15 Tab Enter K 2 F H. 3 i田

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This table shows the age distribution of people in the United States in 2010. a. Complete the last column of a copy of this table. Proportion of Population Age Number of People Under 18 74,181,467 0.2403 18-44 112,806,642 45-64 81,489,445 0.2639 65 and Over 40,267,984 Total 308,745,538