rom Exercise 8.72 on page 349 in the textbook. Preliminary data analyses indicate that you can reasonably apply the z-interval procedure. Find a 90% confidence interval for the mean number of tongue flicks per 20 minutes for all juvenile common lizards. Assume a population standard deviation of 190.0. (Note: The sum of the data is 9047). Interpret your answer from part (a). Find a 99% confidence interval for ��. Why is the confidence interval you found in part ( c) longer than the one in part (a)? Draw a graph similar to the one shown in Figure 8.5 to display both confidence intervals. Which confidence interval yields more precise estimate of ?? Explain your answer. Exercise 8.72 & Figure 8.5 are attached
rom Exercise 8.72 on page 349 in the textbook. Preliminary data analyses indicate that you can reasonably apply the z-interval procedure. Find a 90% confidence interval for the mean number of tongue flicks per 20 minutes for all juvenile common lizards. Assume a population standard deviation of 190.0. (Note: The sum of the data is 9047). Interpret your answer from part (a). Find a 99% confidence interval for ��. Why is the confidence interval you found in part ( c) longer than the one in part (a)? Draw a graph similar to the one shown in Figure 8.5 to display both confidence intervals. Which confidence interval yields more precise estimate of ?? Explain your answer. Exercise 8.72 & Figure 8.5 are attached
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
- from Exercise 8.72 on page 349 in the textbook. Preliminary data analyses indicate that you can reasonably apply the z-interval procedure.
- Find a 90% confidence interval for the mean number of tongue flicks per 20 minutes for all juvenile common lizards. Assume a population standard deviation of 190.0. (Note: The sum of the data is 9047).
- Interpret your answer from part (a).
- Find a 99% confidence interval for ��.
- Why is the confidence interval you found in part ( c) longer than the one in part (a)?
- Draw a graph similar to the one shown in Figure 8.5 to display both confidence intervals.
- Which confidence interval yields more precise estimate of ?? Explain your answer.
Exercise 8.72 & Figure 8.5 are attached
![8.72 Smelling Out the Enemy. Snakes deposit chemical trails as
they travel through their habitats. These trails are often detected and
recognized by lizards, which are potential prey. The ability to recog-
nize their predators via tongue flicks can often mean life or death for
lizards. Scientists from the University of Antwerp were interested in
quantifying the responses of juveniles of the common lizard (Lacerta
vivipara) to natural predator cues to determine whether the behav-
ior is learned or congenital. Seventeen juvenile common lizards were
exposed to the chemical cues of the viper snake. Their responses, in
number of tongue flicks per 20 minutes, are presented in the following
table. [SOURCE: Van Damme et al., "Responses of Naïve Lizards
to Predator Chemical Cues," Journal of Herpetology, Vol. 29(1),
pp. 38-43]
425 510 629 236 654 200
276 501 811
332
424
674
676
694 710 662
633](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F322ff39e-4c62-4606-a6ba-1ad3148c91cd%2F3d523630-e1bd-4426-bbd9-a51988665f23%2Faj3luvh_processed.png&w=3840&q=75)
Transcribed Image Text:8.72 Smelling Out the Enemy. Snakes deposit chemical trails as
they travel through their habitats. These trails are often detected and
recognized by lizards, which are potential prey. The ability to recog-
nize their predators via tongue flicks can often mean life or death for
lizards. Scientists from the University of Antwerp were interested in
quantifying the responses of juveniles of the common lizard (Lacerta
vivipara) to natural predator cues to determine whether the behav-
ior is learned or congenital. Seventeen juvenile common lizards were
exposed to the chemical cues of the viper snake. Their responses, in
number of tongue flicks per 20 minutes, are presented in the following
table. [SOURCE: Van Damme et al., "Responses of Naïve Lizards
to Predator Chemical Cues," Journal of Herpetology, Vol. 29(1),
pp. 38-43]
425 510 629 236 654 200
276 501 811
332
424
674
676
694 710 662
633
Transcribed Image Text:FIGURE 8.5
Margin of error, E
s It Mean?
of error for the
X-Zα/2*
σ
√n
E
X
E
x+Za/2*
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