The management of the local zoo wants to know if all of their animal exhibits are equally popular. If there is significant evidence that some of theexhibits are not being visited frequently enough, then changes may need to take place within the zoo. A tally of visitors is taken for each of thefollowing animals throughout the course of a week, and the results are contained in the following table. At a = 0.025, determine whether there issufficient evidence to conclude that some exhibits are less popular than others.Animal Exhibits at the ZooElephants Lions/Tigers GiraffesZebrasMonkeysBirdsReptilesNumberof164166172188165139142visitorsCopy DataStep 3 of 4: Compute the value of the test statistic. Round any intermediate calculations to at least six decimal places, and round your final answerto three decimal places.PrevNextE TablesE KeypadAnswerKeyboard Shortcuts© 2021 Hawkes LearningSA The management of the local zoo wants to know if all of their animal exhibits are equally popular. If there is significant evidence that some of theexhibits are not being visited frequently enough, then changes may need to take place within the zoo. A tally of visitors is taken for each of thefollowing animals throughout the course of a week, and the results are contained in the following table. At a = 0.025, determine whether there issufficient evidence to conclude that some exhibits are less popular than others.Animal Exhibits at the ZooElephants Lions/TigersGiraffesZebrasMonkeysBirdsReptilesNumberof164166172188165139142visitorsCopy DataStep 4 of 4: Draw a conclusion and interpret the decision.NextPrev国 TablesE KeypadAnswerKeyboard ShortcutsWe fail to reject the null hypothesis and conclude that there is sufficient evidence at a 0.025 level of significance that some exhibits are lesspopular than others.We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0.025 level of significance that some exhibits are lesspopular than others.We reject the null hypothesis and conclude that there is sufficient evidence at a 0.025 level of significance that some exhibits are less popularthan others.We reject the null hypothesis and conclude that there is insufficient evidence at a 0.025 level of significance that some exhibits are less popularthan others© 2021 Hawkes LearningSA

To test the hypothesis we will use chi square test fir goodness of fit .We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0.025 level of significance that some exhibits are less popular than others.

Answered: The management of the local zoo wants…

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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Researchers Holdgate et al. (2016) studied walking behavior of elephants in North American zoos to see if there is a difference in average distance traveled by African and Asian elephants. They put GPS loggers on 33 African elephants and 23 Asian elephants and measured the distance (in kilometers) the elephants walked per day. The data in the file below Elephants contains results that are consistent with what the researchers found: Species Distance: African 6.12 African 3.65 African 4.26 African 3.8 African 5.23 African 5.02 African 5.17 African 5.37 African 4.89 African 6.4 African 6.42 African 6.85 African 3.38 African 7.71 African 4.02 African 3.52 African 5.81 African 5.83 African 7.02 African 6.11 African 4.62 African 5.54 African 3.2 African 5.49 African 5.47 African 6.97 African 3.74 African 3.04 African 7.84 African 8.62 African 7.63 African 5.25 African 4.19 Asian 1.39 Asian 2.59 Asian 8.03 Asian 7.93 Asian 0.33 Asian 8.22 Asian 6.95 Asian 2.39 Asian 3.89 Asian 10.53 Asian…
On occasion, medical studies need to model the proportion of the population that has a disease and compare that to observed frequencies of the disease actually occurring. Suppose the end-stage renal failure in south-west Wales was collected for different age groups. Do the data in the table show that the observed frequencies are in agreement with proportion of people in each age group? Test at the 1% level. Renal Failure Frequencies Age group 16-29 30-44 45-59 60-74 75+ Total Observed Frequencies 125 152 134 124 48 583 Expected Proportion 0.23 0.25 0.22 0.21 0.09 State the hypotheses.H0: The observed frequencies in agreement with proportion of people in each age group.Ha: The observed frequencies in agreement with proportion of people in each age group. Calculate the χ2 test statistic. Round expected values to two decimal places. Round χ2 to 3 decimal places.χ2 = Calculate the p-value. Round to 3 decimal places.p-value = State your decision.Since p-value α,…
On average, a sample of n = 36 scores will provide a better estimate of the population mean than a sample of n = 49 scores from the same population.
Auditors must make judgments about various aspects of an audit on the basis of their own direct experience, indirect experience, or a combination of the two. In a study, auditors were asked to make judgmentS about the frequency of errors to be found in an audit. The judgments by the auditors were then compared to the actual results. Suppose the following data were obtained from a similar study; lower scores indicate better judgments. If answer is zero enter "0". Direct Indirect Combination 18.0 17.8 15.6 17.8 19.2 16.3 14.0 17.0 21.4 20.2 19.1 24.3 19.1 20.3 24.5 24.8 20.9 27.0 26.7 25.0 23.9 Source Sum of Degrees Mean Square F p-value of Squares of (to 2 (to 2 (to 2 Variation (to 2 decimals) Freedom decimals) decimals) decimals) Treatments Error Total Use a = 0.05 to test to see whether the basis for the judgment affects the quality of the judgment. The p-value is - Select your answer - What is your conclusion? Select your answer -
The following data refers to the amount of caffeine (in mg) consumed by ten university students and their time to complete a practice test (in minutes) for a Economics Exam. Use attached Graph and Table to answer question below pls Describe the overall pattern of the relationship between caffeine amount and time to finish the practice exam in graph diagram provided. Does it follow a straight-line pattern? Is there a positive or negative association, or neither? How strong is the relationship?
A psychologist believed that as children get older, they engage in more “inactive activities” such as playing computer games, watching TV and surfing the internet. She collected data from 10 children. She recorded the age of each child and the amount of activity (in hours) the child engaged in per week. Age Activity 7 4.3 9 3.2 10 1 13 1.5 12 1.2 15 0.8 9 3 12 4 15 1.5 14 1.9 Using excel, obtain a scatterplot of the data. Discuss the relationship between age and activity based on the scatterplot. Using excel, obtain the simple linear regression linear regression line predicting activity from age. Interpret the intercept and slope of the regression line. By hand, predict the amount of activity for age = 14. By hand, calculate the residual for age = 14 Using excel output, test the null hypothesis that the slope coefficient is zero using the p-value approach. Write one sentence interpreting the meaning of this result. Make sure to report the test statistic…
(Please show all work on how you got this so I may learn from it and check my answers.) A researcher is interested in understanding if perfume affects how attractive a person is perceived tobe. To examine this phenomenon, the research randomly assigns the participants to rate theattractiveness of an individual from one of three groups: no perfume, a small amount of perfume, and alarge amount of perfume. Below are the ratings to how attractive the participants find the individual:NO Perfume A SMALL Amount of Perfume A LARGE Amount of Perfume4 6 05 3 13 5 05 4 14 5 23…
In a data set with 25 scores, if the value 16 occurs 12 times, what is its relative frequency?

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