A scientist took the temperatures of a randomly selected group of elephants. The table includes the data collected in the experiment. Estimate the mean temperature. Complete parts a through e below. a) Check the conditions for creating a t-interval. Which condition(s) is(are) met? Select all that apply. A. 10% Condition B. Nearly Normal Condition C. Randomization Condition b) Find a 99% confidence interval for the mean body temperature. The 99% confidence interval for the mean body temperature is _____%,_______%. c) Explain the meaning of the interval. Choose the correct answer below. A. There is 99% confidence, based on the data, that the body temperature for an adult falls in the interval. B. There is 99% confidence, based on the data, that the interval contains the mean body temperature. C. There is 99% confidence, based on the data, that the body temperature for all adults falls in the interval. D. There is 99% confidence, based on the data, that the mean body temperature will always fall in the interval. d) Explain what "99% confidence" means in this context. Choose the correct answer below. A. 99% of all elephants have body temperatures that fall in the interval. B. 99% of all elephants sampled have body temperatures that fall in the interval. C. 99% of all such random samples will produce intervals containing the true mean temperature. D. 99% of all samples of size 52 have a mean body temperature that is in the interval. e) A temperature of 98.6°F is commonly assumed to be "normal." Do these data suggest otherwise? Explain.
A scientist took the temperatures of a randomly selected group of elephants. The table includes the data collected in the experiment. Estimate the mean temperature. Complete parts a through e below. a) Check the conditions for creating a t-interval. Which condition(s) is(are) met? Select all that apply. A. 10% Condition B. Nearly Normal Condition C. Randomization Condition b) Find a 99% confidence interval for the mean body temperature. The 99% confidence interval for the mean body temperature is _____%,_______%. c) Explain the meaning of the interval. Choose the correct answer below. A. There is 99% confidence, based on the data, that the body temperature for an adult falls in the interval. B. There is 99% confidence, based on the data, that the interval contains the mean body temperature. C. There is 99% confidence, based on the data, that the body temperature for all adults falls in the interval. D. There is 99% confidence, based on the data, that the mean body temperature will always fall in the interval. d) Explain what "99% confidence" means in this context. Choose the correct answer below. A. 99% of all elephants have body temperatures that fall in the interval. B. 99% of all elephants sampled have body temperatures that fall in the interval. C. 99% of all such random samples will produce intervals containing the true mean temperature. D. 99% of all samples of size 52 have a mean body temperature that is in the interval. e) A temperature of 98.6°F is commonly assumed to be "normal." Do these data suggest otherwise? Explain.
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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Question
A scientist took the temperatures of a randomly selected group of elephants. The table includes the data collected in the experiment. Estimate the mean temperature. Complete parts a through e below.
a) Check the conditions for creating a t-interval. Which condition(s) is(are) met? Select all that apply.
10% Condition
Nearly Normal Condition
Randomization Condition
b) Find a
99%
confidence interval for the mean body temperature.The
99%
confidence interval for the mean body temperature is _____%,_______%.c) Explain the meaning of the interval. Choose the correct answer below.
There is 99% confidence, based on the data, that the body temperature for an adult falls in the interval.
There is 99% confidence, based on the data, that the interval contains the mean body temperature.
There is 99% confidence, based on the data, that the body temperature for all adults falls in the interval.
There is 99% confidence, based on the data, that the mean body temperature will always fall in the interval.
d) Explain what
"99%
confidence" means in this context. Choose the correct answer below.99% of all elephants have body temperatures that fall in the interval.
99% of all elephants sampled have body temperatures that fall in the interval.
99% of all such random samples will produce intervals containing the true mean temperature.
99% of all samples of size 52 have a mean body temperature that is in the interval.
e) A temperature of 98.6°F is commonly assumed to be "normal." Do these data suggest otherwise? Explain.
Transcribed Image Text:Twin Births
Twin Births 1995-1997 (In Thousands)
Term or
Level of
Preterm with Preterm without
Total
Prenatal Care
Intensive
procedures
14
post-term
22
procedures
52
16
46
42
67
155
Adequate
Inadequate
14
14
40
68
76
70
129
275
Total
Print
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