The feeding behavior of black bream (a type of fish) spawned in aquariums was studied in Brain, Behavior and Evolution (Apr.2000). Zoologists recorded the number of aggressive strikes of two black bream feeding at the bottom of the aquarium inthe 10 -minute period following the addition of food. The number of strikes and age of the fish (in days) were recordedapproximately each week for nine weeks, as shown in the table below.ITTWeekNumber of StrikesAge of Fish (days)1851202631363341504391555816263516975717881218415190a. Construct a scatterplot of the data, with number of strikes on the y -axis and age of the fish on the x -axis.b. Examine the scatterplot of part a. Do you detect a trend?

Given: Age of Fish (x) Number of Strikes 85 120 63 136 34 150 39 155 58 162 35 169…

Answered: The feeding behavior of black bream (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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Prose rhythm is characterized as the occurrence of five-syllable sequences in long passages of text. This characterization may be used to assess the similarity among passages of text and sometimes the identity of authors. The following information is based on an article by D. Wishart and S. V. Leach appearing in Computer Studies of the Humanities and Verbal Behavior (Vol. 3, pp. 90-99). Syllables were categorized as long or short. On analyzing Plato's Republic, Wishart and Leach found that about 26.1% of the five-syllable sequences are of the type in which two are short and three are long. Suppose that Greek archaeologists have found an ancient manuscript dating back to Plato's time (about 427 - 347 B.C.). A random sample of 317 five-syllable sequences from the newly discovered manuscript showed that 61 are of the type two short and three long. Do the data indicate that the population proportion of this type of five syllable sequence is different (either way) from the text of Plato's…
In a 2013 study, Dingemanse, Torreira, and Enfield looked at 196 recordings of 10 languages to extract examples of the words/phrases used to indicate that one either didn't hear or didn't understand something in the conversation. The researchers discovered that all 10 languages used a word that sounded similar to the English 'Huh?' What is the population of this study? Question 10 options: All languages that contain a word that sounds and functions like the English 'Huh?' All people who speak a language All recorded languages The 196 recordings studied
Data from a study of two air lines fly to Small Town Flights on Time Flights Late Podunk Airlines 35 12 Upstate Airlines 44 8 if one flight is selected find P(Flights on Time or Podunk Airlines)
A study was conducted to determine whether big-city and small-town dwellers differed in their helpfulness to strangers. In this study, the investigators rang the doorbells of strangers living in a large City or small towns in the vicinity. They explained they had misplaced the address of a friend living in the neighbourhood and asked to use the phone. The following data show the number of individuals who admitted or did not admit the strangers (the investigators) into their homes: Helpfulness to strangers Admitted strangers into their home Didnot admit strangers into their home Big city dwellers 60 90 Small town dwellers 70 30 State the dependent and independent variable Is this a directional or non directional
Does the background music affect the behavior of supermarket shoppers? An experiment to answer this question was conducted in a supermarket during the relatively stable summer shopping months. Two days were selected in midweek. One day was assigned to receive no background music. During the second day slow-tempo background music was played. The daily sales (in dollars) for twelve weeks are shown in the accompanying table. None Slow tempo $15,172 $15,917 15,485 16,110 13,922 13,818 12,204 14,709 15,501 13,982 14,106 16,416 14,608 14,727 12,946 14,823 15,002 14,825 14,670 15,949 16,202 15,488 13,286 13,055 Estimate the difference in the actual average daily sales between no-music days versus slow-tempo days using a 95% confidence interval. Does the data suggest that, on the average, background music positively affects daily sales? Show all necessary work.
The scientific productivity of major world cities was the subject of a recent study. The study determined the number of scientific papers published between 1994 and 1997 by researchers from each of the 20 world cities, and is shown below. City Number of papers City Number of papers City 1 1616 City 11 33 City 2 2626 City 12 99 City 3 1212 City 13 2121 City 4 55 City 14 44 City 5 22 City 15 55 City 6 2626 City 16 44 City 7 66 City 17 2020 City 8 2525 City 18 1717 City 9 1616 City 19 2222 City 10 66 City 20 2525 Construct a 95 % confidence interval for the average number of papers published in major world cities. blank <μ<blank

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