A survey typically records many variables of interest to the researchers involved. Below are some ofthe variables from a survey conducted by the U.S. Postal Service. Which of the variables iscategorical?O ZIP code of residenceO Number of people living in the householdO Total household income before taxesO Age of respondent

Variable can take more than one values. If it takes only a single value, then it is a constant. The…

Answered: A survey typically records many…

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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1. A researcher is interested in choice and decisions. He looks at what people buyfor lunch in a university cafeteria. Which of the following best describes the data hecollects? a. He collects favorite lunch meal which is qualitative. He also collects data on how often each person buy that meal, which is also qualitative data. b. He collects how often participants buy their favorite meal, and this is a form of quantitative data.c. He asks participants to name their most frequently purchased meal, and this is qualitative data.d. He asks participants to tell him how many times a week they skip lunch because of their work, and this is qualitative data.
The relative frequency of a class if 8 of the 40 data values lie within it is which of the following? The relative frequency of a class if 8 of the 40 data values lie within it is which of the following? 0.10 0.20 0.25 0.40
Given the data set A = {0, 0, 12, 13, 14, 15, 16, 18, 22, 25, 30} which of the following is a true statement? O There are two modes for the data set. O The mean is greater than the median. O The mean and the median have the same value. O There is no mode for the data.
Would observations or interviews be more appropriate to research the following topic?People's behaviors at dog parks.O ObservationO Interviews
Please Answert the questions in the photo. Thank You!
Suppose you were to collect data for the following pair of variables, ski diving: depth, visibility. You want to make a scatterplot. Which variable would you use as the explanatory variable? depth visibility Which variable would you use as the response variable? O depth O visibility Would you expect to see a positive or negative association? positive negative O neither
The State Education Department requires local school districts to keep these records on all students: age, race or ethnicity, days absent, current grade level, standardized test scores in reading and mathematics, and any disabilities or special educational needs the student may have. Which of the following are categorical (or qualitative) variables in these records? Days Absent Age Race or Ethnicity Disabilities or Special Needs O Reading Test Score Current Grade Level (A/B/C/D/F) Mathematics Test Score
11 Find the mode(s) for the following group of data items. 4.3, 6.5, 7.7, 5.4, 6.9, 6.9, 5.9, 7.4, 6.3, 5.2, 5.2 Select the correct choice below and, if necessary, fill in the answer box within your choice. A.The mode(s) is/are ______. ��(Use a comma to separate answers as needed.) B.There is no mode.
Please help by showing all workings and explanations
Consider the following context, identify the who, what, and measurement scale of variables. A researcher is interested in… Case Variable (s) Categorical vs Quantitative male college students’ workout time female college students’ sports preferences the gender differences in social time among college students
A categorical variable has three categories, with the frequencies of occurrence below. a. Compute the percentage of values in each category. b. What conclusions can you reach concerning the categories? Category Frequency A 9 B 26 C 15
2. Please answer this question ASAP. Please circle all answers, please be organized.

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