The following contingency table gives a summary of the data from 2000 trials of a visual experiment. Each of the trials wasclassified according to two variables: color vision of the participant ("Colorblind" or "Not colorblind") and trial outcome ("Hit","Miss", "False alarm", or "Correct rejection"). In the cells of the table are the respective observed frequencies, and three ofthe cells also have blanks. Fill in these blanks with the frequencies expected if the two variables, color vision of participantand trial outcome, are independent.Round your answers to two or more decimal places.Send data to ExcelColorblindColorvision of Notparticipant colorblindTotalHit820639721Miss240270Trial outcomeFalsealarm24294279303Correctrejection746080682Total20417962000X?F8 MB)

Expected value is the average of the continuous probability distribution. Expected frequency is the…

Answered: The following contingency table gives a…

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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Please use the table below to complete all parts of question 2 The table below provides information from a study of physically active women who survived breast cancer. The women in the study self-reported their levels of physical activity (i.e., their activities were not observed by the researcher). A.How many hours per day (on the average) did the women in the study report sleeping? B.Did some of the women report that the did not engage in “Very Hard Physical Activity”? Please explain your response. C.Which type of physical activity was engaged in the most? How many hours was it engaged?
A researcher wants to know if mood is affected by music. She conducts a test on a sample of 4 randomly selected adults and measures mood rating before and after being exposed to classic rock music. The following are the mood ratings for the four participants:
People with headaches are randomly divided into two groups. One group gets pain medication, and the other does not. One hour later, the participants are asked about their pain. If it is an experimental study, what is the treatment group?
A researcher wanted to study the tendency of people’s choices to be influenced by their environment, so she conducted an experiment. The researcher recruited 90 volunteers. She randomly assigned 30 to sit in a room with red walls, 30 to sit in a room with yellow walls, and 30 to sit in a room with orange walls. After sitting in the room for a while doing mundane activities, she offered them all a snack of strawberries, bananas, or oranges. For each individual, she recorded which room the participant was in and which snack they chose. The data are displayed in the table. The researcher would like to know if these data provide convincing evidence that the distribution of snack choice differs for the various room colors in the population of all volunteers like these. Are the conditions for inference met?
In a study, the effects of the mane of a male lion as a signal of quality to mates and rivals was explored. Four life-sized dummies of male lions provided a tool for testing female response to the unfamiliar lions whose manes varied by length (long or short) and color (blonde or dark). The female lions were observed to see whether they approached each of the four life-sized dummies. Complete parts (a) through (e) below. a. Identify the experimental units. Choose the correct answer below. The female lions The male dummies The mane colors The mane lengths Part 2 b. Identify the response variable. Choose the correct answer below. A. Whether or not (yes or no) the mane length affected how the female lions reacted to a male dummy. B. Whether or not (yes or no) the female lions approached the same dummies. C. Whether or not (yes or no) the female lions approached a male dummy. D. Whether or not…
The investigator of a market reports the following data. Of 1000persons questioned, 811 liked chocolates, 752 liked bonbons and 418 liked lollipops, 570 chocolates and bonbons, 356 chocolates and lollipops, 348 bonbons and lollipops, and 297 all three types of sweets. Show that this information contains an error.
A study was conducted measuring the performance of employees working varying shift schedules. Three individuals conducted the tests rating performance . What could be used to determine whether the three indivuals were giving consistent ratings?
During one shift, the express lane clerk recorded how many times customers violated the "10 items or less" rule for his lane. In particular, he recorded how many items over the limit each violator placed on the conveyor belt. This data is summarized in the histogram below. NOTE: The last class actually represents "7 or more items," not just 7 items.What is the frequency of times the limit was exceeded by more than 6 items?
A psychologist has tested 400 people on areas that make up the Sleepiness and Associated Sensations Scale. Each individualis employed in one of four professions (Medical, Legal, Economics and Psychology). Each subject participates in astructured interview, during which the clinical psychologist makes ratings based on fatigue, lethargy, and energy.The data with the results can be found in the sheet labelled “Question 2”.a. Conduct the relevant test to determine if the individual items that make up the Sleepiness and Associated SensationsScale differs based on profession. b. Test the relevant assumptions associated with this test. c. JASP input and output files.
A study by a reputable research group captured multitasking activities of adults who use different devices while watching TV. The study reported that 320 of 442 (72%) smartphone users sampled, 192 of 350 (55%) computer users sampled, and 139 of 260 (53%)tablet users sampled used their device to check social media unrelated to the video content while watching TV. Complete parts (a) through (c) below. a. Is there evidence of a significant difference among the smartphone, computer, and tablet users with respect to the proportion who use their device to check social media unrelated to the video content while watching TV? (Use α=0.10.) Your answer is correct. The test statistic is χ2STAT=35.860 The critical value for α=0.10 Please help and explain how to achieve critical value
The following data includes the year, make, model, mileage (in thousands of miles) and asking price (in US dollars) for each of 13 used Honda Odyssey minivans. The data was collected from the Web site of the Seattle P-I on April 25, 2005. year make model mileage price 2004 Honda odyssey EXL 20 26900 2004 Honda Odyssey EX 21 23000 2002 Honda odyssey 33 17500 2002 Honda odyssey 41 18999 2001 Honda odyssey EX 43 17200 2001 Honda Odyssey EX 67 18995 2000 Honda Odyssey LX 46 13900 2000 Honda odyssey EX 72 15250 2000 Honda Odyssey EX 82 13200 2000 Honda odyssey 99 11000 1999 Honda odyssey 71 13900 1998 Honda odyssey 85 8350 1995 Honda odyssey EX 100 5800 Compute the correlation between age (in years) and price for these minivans. Round your answer to three decimal places.
The stated goal of a chain of service stores is to provide a lube and oil change for anyone's automobile in 15 minutes. The manager at one store thinks that there is a growing disparity among his workers in the time it takes to lube and change the oil of an automobile. To monitor this, the manager has selected a sample of 20 days and has recorded the time it took five randomly selected employees to service an automobile. The data are found below. Complete parts a through d Click the icon to view the data. a. The manager noticed that the longest time it took to service a car was 25.73 minutes. Suppose the distribution of fimes to service a car was normal, with a mean of 15. Without analyzing the sample data, use your knowledge of a normal distribution to give the manager an estimate for the population standard deviation for the time it takes to service a car. The standard deviation is minutes. (Round to two decimal places as needed.) b. Use the data to construct an x- and an R-chart.…

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