One important aspect in statistics is to understand which statistical methods or procedures are appropriate to use to address the research problem orquestion of interest.A family (Rick, Gail, and daughters Emily, Sarah, and Mary Anne) has played board games regularly for multiple years. Because they are goodstatisticians, they record many variables about their games for future analysis. Assume that we have an appropriate random sample for eachscenario. For the following scenarios, indicate which type of hypothesis test should be performed. In the Game of Life, each player assumes an occupation. There are certain landing spaces (called profession spaces) that correspond to paying thosewith specific occupations. For example, you have to pay the Accountant if you land on the Taxes Due space. The family suspects that there is arelationship between your assumed occupation and the types of profession spaces you land on. They take a random sample of spins from many Gamesof Life, and record both the occupation and the type of profession space landed on in that roll.One-sample z-test for one population proportionOne-sample t-test for one population meanOne sample t-test for the population mean of differences (paired data)Two-sample t-test for the difference in two population meansOne sample t-test for the population slope of a regression lineChi-squared test of goodness of fitChi-squared test of independence

Answered: In the Game of Life, each player…

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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[6] – Statistics Scenario #1A dog enthusiast wanted to see if there was a difference in pit-bull ownership between people in Arcata and Eureka. They obtained a list of registered dog owners from the city of Eureka and the city of Arcata, then they randomly selected people from each list until they had 150 responses from Arcata and 150 responses from eureka. The total number of people from Arcata who reported having a pit-bull was 33. The total number from Eureka was 40 (c) Was the researchers sampling method biased, if so, what kind of bias?(d) Is the data qualitative, quantitative continuous, or quantitative discrete? e) What statistical test should be performed to test the hypothesis?
The Masters Golf Tournament is played each year at the Augusta National Golf Club in Augusta, Georgia. To discover what type of score it takes to win this tournament, we have gathered all the winning scores from 1968 to 2004. The Masters Golf Tournament Winners Year 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 Tom Watson 1982 Craig Stadler 1983 Severiano Ballesteros 1984 1985 1986 Jack Nicklaus Winner Bob Goalby George Archer Billy Casper Charles Goody Jack Nicklaus Tommy Aaron Gary Player Jack Nicklaus Ray Floyd Tom Watson Gary Player Fuzzy Zoeller Severiano Ballesteros Ben Crenshaw Bernhard Langer Score Year 277 1987 281 1988 279 1989 279 1990 286 1991 283 1992 278 1993 276 1994 271 1995 276 1996 277 1997 1998 1999 2000 2001 2002 2003 2004 280 275 280 284 280 277 282 279 Winner Larry Mize Sandy Lyle Nick Faldo Nick Faldo lan Woosnam Fred Couples Bernhard Langer J.M. Olazabal Ben Crenshaw Nick Faldo Tiger Woods Mark O'Meara J.M. Olazabal Vijay Singh Tiger…
Research study comparing alcohol use for college students in the United States and Canada reports that more Canadian students drink but American students drink more. Is this study an example of an experiment? Answer yes or no and why or why not. Write two answers for this question. If one answer is wrong, the entire answer is wrong. PreviousNext
The Masters Golf Tournament is played each year at the Augusta National Golf Club in Augusta, Georgia. To discover what type of score it takes to win this tournament, we have gathered all the winning scores from 1968 to 2004. The Masters Golf Tournament Winners Year 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 Tom Watson 1982 Craig Stadler 1983 Severiano Ballesteros 1984 1985 1986 Jack Nicklaus Winner Bob Goalby George Archer Billy Casper Charles Goody Jack Nicklaus Tommy Aaron Gary Player Jack Nicklaus Ray Floyd Tom Watson Gary Player Fuzzy Zoeller Severiano Ballesteros Ben Crenshaw Bernhard Langer Score Year 277 1987 281 1988 279 1989 279 1990 286 1991 283 1992 278 1993 276 1994 271 1995 276 1996 277 1997 1998 1999 2000 2001 2002 2003 2004 280 275 280 284 280 277 282 279 Winner Larry Mize Sandy Lyle Nick Faldo Nick Faldo lan Woosnam Fred Couples Bernhard Langer J.M. Olazabal Ben Crenshaw Nick Faldo Tiger Woods Mark O'Meara J.M. Olazabal Vijay Singh Tiger…
Let’s say a psychologist suspects that emotions affect people’s eating habits, but that the eating habits of anxious people are affected differently. Ten highly anxious subjects are randomly divided into two equal-sized groups, one of which views a horror movie while the other watches a comedy. Ten non-anxious control subjects are similarly divided. The number of ounces of popcorn eaten by each subject during the movie is recorded. How many independent variables are there in this design? Name each of the factors and levels (using appropriate descriptors from the paragraph): How many total conditions (groups) are there in this design? Name the dependent variable:
Practice question #1. Researchers at the University of Utah carried out a study to see if the size of the fork used to eat dinner influences how much food is consumed. The researchers assigned people to one of two groups. One group ate dinner using a small fork, and the other group ate using a large fork. The researchers found that thatthose who ate with a large fork ate less food on their plate than those who ate with a small fork. An articledescribing this study was called “Dieters Should Use a Big Fork”, implying cause-and-affect andgeneralizing this finding to the population of dieters. A. Under what circumstances would it be reasonable to conclude a cause-and-effect relationship between fork size and amount eaten? B. Under what circumstances would it be reasonable to generalize this finding to the population of dieters? Why is it often NOT appropriate to generalize the results of experiments to a wider population?
Basketball players can take shots worth 3 points, 2 points, or 1 point. A scout is assessing two players- Tabitha and Lauren-who play for different teams in different leagues. The scout wonders if they have similar or different shot selections. They take a random sample of Tabitha's games and a separate random sample of Lauren's games. They tally how many of each type of shot the players attempted in those games. Here is a summary and the results of a chi-square test: Chi-square test: Shot vs. player Tabitha Lauren 3-point 8 12 Expected 10.34 9.66 2-point 40 37 Expected 39.83 37.17 1-point 12 Expected 9.83 9.17 x² = 2.097, DF = 2, P-value = 0.350 %3D Assume that all conditions for inference were met. At the a = 0.05 significance level, what is the most appropriate conclusion to draw from this test? Choose 1 answer: This is convincing evidence that the distribution of shot type differs between Tabitha and Lauren.
Role-playing games like Dungeons & Dragons use many different types of dice. Suppose that a four-sided die has faces marked 1, 2, 3, and 4. The intelligence of a character is determined by rolling this die twice and adding 1 to the sum of the spots. The faces are equally likely, and the two rolls are independent. What is the average (mean) intelligence for such characters?
(c) Draw a boxplot of the differenced data. Does this visual evidence support the results obtained in part (b)? Which boxplot below represents the data? A. O C. -6 -6 -4 -2 Differences -2 Differences 2 Q 2대 B. -6 -6 -4 -4 -2 Differences Differences 0 0 2
Suppose you try to conduct a presidential approval poll of 10,000 likely U.S. voters. You know that 44% of the voters are registered with the Independent party, 28% are registered with the Reform party and 23% are registered with the Green party. If you are going to construct a representative sample of this population, approximately how many of the likely voters in the sample should be Green party?
Computerized Testing. A statistics professor needs to construct a five-question quiz, one question for each of five topics. The computerized testing system she uses provides eight choices for the question on the first topic, nine choices for the question on the second topic, seven choices for the question on the third topic, eight choices for the question on the fourth topic, and six choices for the question on the fifth topic. How many possibilities are there for the five-question quiz?
Part 1: The state of Maryland's arrest rate for marijuana possession in 2010 was the fourth highest in the nation. Public records for that year show that police arrested one out of every 250 Maryland residents for possession of marijuana. In addition, while Black people only comprised 30% of the State's population in 2010, 58% of those arrested for marijuana possession were Black. Use the following labels for events describing Maryland residents in the year 2010. M-AMP: Maryland resident was arrested for marijuana possession M-B: Maryland resident was a Black person a) What is the probability that a Maryland resident was arrested for marijuana possession in 2010? b) Use probability notation to express the cited percent values. 30% = P( 58% = P( c) Which of the values cited should be compared to determine whether race and arrests for marijuana possession in the state of Maryland in 2010 are independent?

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