Zoologists are studying weights of captive timber wolves in three countries: the United States, England, and Japan. They want to compare the average weights ofthe captive wolves to see if there is a difference. A random sample of reported weights was taken. Let a = 0.05.Sum ofMeanSource of VariationdfSquaresSquaresBetween Groups389.042194.526.6998Within Groups696.812429.03375Total1,085.8526Summary data are in the table below.UnitedEnglandJapanStatesn10Mean66.460.257.4Standard4.75.95.6Deviation(a) What is the q critical value? (Use a table. Round your answer to two decimal places.)What is the number of intervals required?(b) Give the interval for the true difference in the mean weights of captive wolves in the United States and Japan. (Round your answers to three decimalplaces.)(c) Determine whether the following statement is true or false.The interval (-3.735, 9.335) is significant at a = 0.05.TrueFalse

(a) Critical Value: From the given information, there are 3 groups and the total number of…

Zoologists are studying weights of captive timber wolves in three countries: the United States, England, and Japan. They want to compare the average weigh the captive wolves to see if there is a difference. A random sample of reported weights was taken. Let a = 0.05. Sum of Squares Mean Source of Variation df Squares Between Groups 389.04 2 194.52 6.6998 Within Groups 696.81 24 29.03375 Total 1,085.85 26 Summary data are in the table below. United England Japan States 10 Mean 66.4 60.2 57.4

Zoologists are studying weights of captive timber wolves in three countries: the United States, England, and Japan. They want to compare the average weigh the captive wolves to see if there is a difference. A random sample of reported weights was taken. Let a = 0.05. Sum of Squares Mean Source of Variation df Squares Between Groups 389.04 2 194.52 6.6998 Within Groups 696.81 24 29.03375 Total 1,085.85 26 Summary data are in the table below. United England Japan States 10 Mean 66.4 60.2 57.4

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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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

Zoologists are studying weights of captive timber wolves in three countries: the United States, England, and Japan. They want to compare the average weights of
the captive wolves to see if there is a difference. A random sample of reported weights was taken. Let a = 0.05.
Sum of
Mean
Source of Variation
df
Squares
Squares
Between Groups
389.04
2
194.52
6.6998
Within Groups
696.81
24
29.03375
Total
1,085.85
26
Summary data are in the table below.
United
England
Japan
States
n
10
Mean
66.4
60.2
57.4
Standard
4.7
5.9
5.6
Deviation
(a) What is the q critical value? (Use a table. Round your answer to two decimal places.)
What is the number of intervals required?
(b) Give the interval for the true difference in the mean weights of captive wolves in the United States and Japan. (Round your answers to three decimal
places.)
(c) Determine whether the following statement is true or false.
The interval (-3.735, 9.335) is significant at a = 0.05.
True
False

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