Problem A - A researcher is interested in people's reactions to having their personal spaceviolated by strangers. Below are the self-reported comfort levels (where 1=very uncomfortable,2=uncomfortable, 3=somewhat uncomfortable, 4=neutral, 5=somewhat comfortable,6=comfortable and 7=very comfortable) of 25 people based on measured distances betweenthemselves and a stranger.3 inches1 foot1.5 feet2 feet3 feet124713471145724117N 3 3 N3 6. Statistical statement? Significant?7. Post-hoc results?8. What type of graph and why?9. Write a results section. Make sure you interpret the effects.10. Include a graph.

Personal Space violated by strangers 1 Very uncomfortable 2 Uncomfortable 3 Somewhat…

Answered: Problem A - A researcher is interested…

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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Complete part C. C. Compute an estimate of the population parameter. Telephone survey of 2980 adults in certain country, 27% reported they own least one gun. Researchers want to estimate the true percentage of adults in that country that own at least one gun.
A researcher wants to know if there is an association between feelings of hunger and aggressive behavior (in other words, is being “hangry” a real phenomenon?). He asks participants to track their hunger levels and feelings of anger and aggression over the course of a week. What is the independent variable? A) Hunger levels B) how much they've eaten C) Feelings of aggression D) There is no IV for this type of analysis E) Anger
I need the right answer for a and b.
1. Which of the following is an unbiased point estimator of a population proportion? A. p-value B. ?C. ?0D. ?̅
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Q7. Which of the following is NOT an example of quantitative data? a) The weight of an object in kg. b) The distance between two cities in km. c) Different colours of objects. d) The number of students in a classroom. Q8. The table shows 3-point moving averages for the number of games consoles sold each month by a shop. What is the last 3-point moving average x? Month Number of games consoles 3-point moving average a) 99 b) 109 c) 118 d) 121 Jun Jul Aug Sep Oct Nov Dec 108 92 154 64 84 53 91 67 76 84 97 ४
Suppose you pulled info regarding the sex of the victim and offender for murders in the United States. The data look something like this: Sex of Vic. Sex of Off. F M F 124 421 M 1609 3725 Assume that the sex of the victim is the response variable. What is the relative risk of being killed by female offender for male victims?
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Frq 1. Go Blue! Michigan Stadium, also known as "The Big House," seats over 100,000 fans for a football game. The University of Michigan athletic department plans to conduct a survey about concessions that are sold during games. Tickets are most expensive for seats on the sidelines. The cheapest seats are in the end zones (where one of the authors sat as a student). A map of the stadium is shown. 41 42 43 44 40 39 38 5. 6. 37 Visitor Sideline 36 10 35 11 34 12 33 13 32 14 231 Michigan Sideline 30 29 28/27 26 15 16 17 20 19 18 25 24 23 22 21 PRESS BOX Sideline Corner Endzone a. The athletic department is considering a stratified random sample. What would you recommend as the strata? Why? b. Explain why a cluster random sample might be easier to obtain. What would you recommend as the clusters? Why? ENDZONE BNOZANE
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.
Suppose you are interested in the population of all college students in the US and that you collect data from all students from FIT. Is the following a parameter or statistic? The proportion of your school's students who are Business Majors a. parameter b. statistic
3. Consider a data set for which the "individuals" are restaurants in King County, Washington. a. Create a categorical variable that could be used to describe an individual restaurant in this data set. b. Create a quantitative variable that could be used to describe an individual restaurant in this data set and clearly state what units your variable would have.

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