I. Identify whether the following variables are qualitative or quantitative. If it is quantitative,determine if it is discrete or continuous.1. Age of college freshmen in Letran.Answer:2. The number of cars that arrive at a McDonald's drive-through between 12:00PM and1:00PM.Answer:3. The prevalent skin color of Filipinos is known.Answer:4. The freshmen college students came from either public or private schools.Answer:5. The boy's weight is 120.5.Answer:II. For each of the following variables, determine the level of measurement.1. Gender2. Room Temperature3. Percentile rank in NSAT4. Weights of students in a first-year course5. Results of a nationally administered test. III. Direction: Analyze the relative frequency distribution tablebelow. Then, answer the following questions:A Relative Frequency DistributionDownload timePercent ofWhat percent of subscribers require less than 25seconds to download a file? Explain your answer.b. What is the probability that a subscriber chosen atrandom will require at least 10 seconds but less than30 seconds to download a file? Explain your answer.(in seconds)subscribersа.0-50.65-101.710–1515-204.39.220-2515.1Answer:25–3019.230–3519.035-4014.940-459.045-504.550-551.555-601.0IV. Answer the following problem:The heights of Sydney, Ada, and Ria were 155cm, 158cm and 161cm, respectively. Whatis the height of Teresa if the mean of all the four girls is 158cm? Explain your answer.а.Answer:

i) check whether the following variable are qualitative or quantitative, if quantitative then…

Answered: I. Identify whether the following…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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On a survey, people are classified with the following variable: 0: identify as male 1: identify as female 2: identify as non-binary 3: other How would you classify this variable? a. Qualitative and discrete b. Qualitative and ratio c. Quantitative and discrete d. Quantitative and interval e. None of these
19. A high school math teacher summarized the 35 math SAT scores for the students in her calculau class. The mean for the class was 521 and themedian was 535. The range of the scores was 235 and the highest score in the entire class was 675. Approximately 40% of the lass scored higher than 562. State whether each of the following is true or false. a. The 45th percentile exceeds 540. b. The lowest score in the class was 440. c. The z-score for a score of 510 is a negative number. d. The third quartile exceeds 562. e. The percentile rank of 562 is 40.
2. A real estate expert wanted to find the relationship between the sale price of houses and various characteristics of the houses. He collected data on five variables, recorded in the table, for 12 houses that were sold recently. The five variables are: Sale price of a house in thousands of dollars. Size of the lot in acres. Price: Lot Size: Living Area: Living area in square feet. Age: Type of house: town house (T) or Villa (V) Age of a house in years. Price Lot Size Living Area Age Туре of house 255 1.4 2500 8 T 178 0.9 2250 12 T T. T. T. 263 1.8 2900 5 0.7 2.6 127 1800 24 305 3200 10 164 1.2 2400 18 245 2.1 2700 T V 146 1.1 2050 28 287 2.8 2850 13 V 189 1.6 2600 9 211 1.7 2300 8 V 123 0.5 1700 11 V a) Find the regression equation for the town house b) Find the regression equation for the Villa c) What is the price of a town house with a lot size of 1.3, living area of 1800, and is 7 years old? EBBBBE A> >}>l> >{
Do you need inferential statistics to answer each of the following questions? (Answer “yes” or “no” for each question) a. How many wheels are on a bicycle? b. How many bicycles are parked outside of the Starbucks at the corner of Boyd and Asp? c. What proportion of Belgium residents own bicycles? d. Do Oklahoma students outperform the national average on the college entrance exam? e. Did you outperform the national average on the college entrance exam? f. Is it hotter today in Tulsa than Topeka? g. Is the average temperature in Tulsa greater than that of Topeka
1. Fill in the blanks for each of the statements below. а. A survey of 1000 U.S. adults found that 40% think the internet is the best way to get news and information. Population: Sample: Variable of Interest: Type of Data (Qualitative or Quantitative): Is the 40% a parameter or statistic, and why? b. A survey of the 55 law firms in a local city found that the average hourly billing rate is $425. Population: Sample: Variable of Interest: Type of Data (Qualitative or Quantitative): Is the $425 a parameter or statistic, and why?.
Do you need inferential statistics to answer each of the following questions? (Answer “yes” or “no” for each question) a. How many wheels are on a bicycle? b. How many bicycles are parked outside of the Starbucks at the corner of Boyd and Asp? c. What proportion of Belgium residents own bicycles? d. Do Oklahoma students outperform the national average on the college entrance exam? e. Did you outperform the national average on the college entrance exam? f. Is it hotter today in Tulsa than Topeka? g. Is the average temperature in Tulsa greater than that of Topeka
1. Which of the following is an unbiased point estimator of a population proportion? A. p-value B. ?C. ?0D. ?̅
A congressperson wants to come up with a single value to describe the prices of homes in their district. However, their district consists of a few homes that are extremely expensive compared to the others. Which descriptive statistic should they use? a. Range b. Mode c. Median d. Mean
1) Which of the following statements is/are true? I. The relative frequency is equal to the percentage frequency. II. A Histogram displays comparisons between categories while the bar graph presents frequencies in a data set. a. I only b. Il only c. both are true
State if these variables would be expected to have a positive, negative, or no association. A. Number of schools and population size. o Positive Negative No association B. Income and number of health conditions. Positive o Negative No association C. Time spent meditating and stress level. Positive o Negative No association D. Number of pets and amount of money spent on printer ink. Positive Negative o No association E. Life expectancy and death rate. Positive Negative o No association
Answer number 1 to 5. I don't want to waste my money here.
Classify each of the following as nominal, ordinal, interval, or ratio data and explain. a. the time required to produce each car on an assembly line. b. the number of litres of water a family drinks in a month. c. the ranking of four student projects in your class after they have been designated as excellent, good, satisfactory, and poor. d. the telephone area code of clients in India. e. Explain the four groups of data in detail.

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