A social work student is interested in studying the relationship between an adult's ageand their view on off-shore drilling. The student plans to compare adults who considerthemselves Extremely anti-drilling, Anti-drilling, Neutral, Pro-drilling, and Extremelypro-drilling. The researcher chose to measure age as a number between 18 and 110.What level of measurement is age for this research question?a. nominalb. ordinalC. interval-ratiod. None of the aboveA social work student is interested in studying the relationship between an adult's ageand their view on off-shore drilling. The student plans to compare adults whoconsider themselves Extremely anti-drilling, Anti-drilling, Neutral, Pro-drilling, andExtremely pro-drilling. What is independent variable?a. Ageb. view on off-shore drillingC. state in which the person livesd. none of the above

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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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According to the CDC, only 20% of Americans get enough exercise each week. You conduct a survey of 200 people and find 45 who get enough exercise. a. What is the parameter? A. The proportion of people in the survey who get enough exercise. B. The proportion of all Americans who get enough exercise. C. All Americans. D. The people in the survey. E. All Americans who get enough exercise. b. What is the numerical value of the parameter? (If your answer is a proportion, enter it as a number between 0 and 1. If the numerical value is not known, enter “NA” without the quotes.) c. What is the statistic? A. All Americans who get enough exercise. B. The people in the survey. C. The proportion of people in the survey who get enough exercise. D. The proportion of all Americans who get enough exercise. E. The people in the survey who get enough exercise.d. What is the numerical value of the statistic? (If your answer is a proportion, enter it as a number between 0 and 1. If the numerical value is…
Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate for the data below. Years in which U.S. presidents were inaugurated Choose the correct answer below. O A. The nominal level of measurement is most appropriate because the data cannot be ordered. OB. The ratio level of measurement is most appropriate because the data can be ordered, differences (obtained by subtraction) can be found and are meaningful, and there is a natural starting point. OC. The ordinal level of measurement is most appropriate because the data can be ordered, but differences (obtained by subtraction) cannot be found or are meaningless. OD. The interval level of measurement is most appropriate because the data can be ordered, differences can be found and are meaningful, and there is no natural starting zero point. DELL Nex
Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate for the data below. Types of restaurants (fast food, organic food, sea food, etc.) Choose the correct answer below. A. The interval level of measurement is most appropriate because the data can be ordered, differences (obtained by subtraction) can be found and are meaningful, and there is no natural starting point. O B. The nominal level of measurement is most appropriate because the data cannot be ordered. OC. The ordinal level of measurement is most appropriate because the data can be ordered, but differences (obtained by subtraction) cannot be found or are meaningless. O D. The ratio level of measurement is most appropriate because the data can be ordered, differences (obtained by subtraction) can be found and are meaningful, and there is a natural starting point.
Statistics Question
Suppose a survey question asks students, "Is your favorite baseball team the Oakland A's, the Los Angeles Dodgers, the San Diego Padres, the San Francisco Giants, or Other?" What scale of measurement is being used? A. Nominal B. Interval C. Ratio D. Ordinal
Determine which of the four levels of measurement ( norminal, ordinal, interval, ratio) is most appropriate for the data below. Years in which U.S. presidents were inaugurated
Is the question “Rate the quality of your medical care on a scale from 1 to 5” measuring nominal, ordinal, interval, or ratio data? Justify your answer.
A survey was conducted on unauthorized use of computer systems. One of the survey questions asked respondents to indicate the percentage of monetary losses attributable to malicious actions by individuals within the organization. The histogram below summarizes the data for the 121 firms who experienced some monetary loss due to malicious insider actions. a. Which measurement class contains the highest proportion of respondents? Answer 5 Question 1 b. What is the approximate proportion of the 121 organizations that reported a monetary loss (%) from malicious inside actions less than 20%? Answer 6 Question 1 c. What is the approximate proportion of the 121 organizations that reported a percentage monetary loss from malicious inside actions greater than 60%? Answer 7 Question 1
If we measure the variable "race" using the five primary categories used by the U.S. Census (White, Black/African American, American Indian/Alaska Native, Asian, and Native Hawaiian/Other Pacific Islander), then the level of measurement in this case is: Select one: 1.Interval/Ratio 2. Ordinal 3. Nominal
There is a relationship between political affiliation (on a scale of 1 to 10, where 1 = very liberal and 10 = very conservative) and U.S. geographic regions, such that people living in the Northeast are more likely to consider themselves liberal than people living in the South. what is my unit of analysis?
Lucy is estimating the income level of households in a specific zip code. She randomly calls 100 households and collects information about their income levels. Which of the following is not true. 1. The average income level of all households in the zip code is a population parameter. 2. The total income of the surveyed households is a sample statistic. 3. The average income of the surveyed households is a sample data. 4. The surveyed households are considered a sample of the overall population of households living in the zip code.
The average grade for a group of students in a statistics exam was 85 points, with a standarddeviation of 3 points.a. What proportion of students have at least 80 points on the exam? b. What proportion of students have less than 80 points on the exam?

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