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Problem 2 A random sample of 36 skeletal remains from females was taken from data stored in the Forensic Anthropology Data Bank (FDB) at the University of Tennessee. The femur lengths (right leg) in millimeters are recorded below. 432 432 435 460 432 440 448 449 434 443 525 451 448 443 450 467 436 423 475 435 433 438 453 438 435 413 439 442 507 424 468 419 434 483 448 514 a. Determine the sample mean and standard deviation. Since the sample size is large, we can use the sample standard s in place of o in calculations of confidence intervals. b. Before doing any calculations, think about a 90%, 95% and 99% confidence for u, the mean femur bone length for women. Which of these intervals would be the widest? Which would be the narrowest? Explain how you know without calculating the confidence intervals. c. Calculate 90%, 95%, and 99% confidence intervals for u, the mean femur bone length for adult females. Do your results confirm your answer to (b)?

Problem 2 A random sample of 36 skeletal remains from females was taken from data stored in the Forensic Anthropology Data Bank (FDB) at the University of Tennessee. The femur lengths (right leg) in millimeters are recorded below. 432 432 435 460 432 440 448 449 434 443 525 451 448 443 450 467 436 423 475 435 433 438 453 438 435 413 439 442 507 424 468 419 434 483 448 514 a. Determine the sample mean and standard deviation. Since the sample size is large, we can use the sample standard s in place of o in calculations of confidence intervals. b. Before doing any calculations, think about a 90%, 95% and 99% confidence for u, the mean femur bone length for women. Which of these intervals would be the widest? Which would be the narrowest? Explain how you know without calculating the confidence intervals. c. Calculate 90%, 95%, and 99% confidence intervals for u, the mean femur bone length for adult females. Do your results confirm your answer to (b)?

MATLAB: An Introduction with Applications
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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Problem 2 A random sample of 36 skeletal remains from females was taken from data stored in the Forensic Anthropology Data Bank (FDB) at the University of Tennessee. The femur lengths (right leg) in millimeters are recorded below. 432 432 435 460 432 440 448 449 434 443 525 451 448 443 450 467 436 423 475 435 433 438 453 438 435 413 439 442 507 424 468 419 434 483 448 514 a. Determine the sample mean and standard deviation. Since the sample size is large, we can use the sample standard s in place of o in calculations of confidence intervals. b. Before doing any calculations, think about a 90%, 95% and 99% confidence for u, the mean femur bone length for women. Which of these intervals would be the widest? Which would be the narrowest? Explain how you know without calculating the confidence intervals. c. Calculate 90%, 95%, and 99% confidence intervals for u, the mean femur bone length for adult females. Do your results confirm your answer to (b)?
Transcribed Image Text:Problem 2 A random sample of 36 skeletal remains from females was taken from data stored in the Forensic Anthropology Data Bank (FDB) at the University of Tennessee. The femur lengths (right leg) in millimeters are recorded below. 432 432 435 460 432 440 448 449 434 443 525 451 448 443 450 467 436 423 475 435 433 438 453 438 435 413 439 442 507 424 468 419 434 483 448 514 a. Determine the sample mean and standard deviation. Since the sample size is large, we can use the sample standard s in place of o in calculations of confidence intervals. b. Before doing any calculations, think about a 90%, 95% and 99% confidence for u, the mean femur bone length for women. Which of these intervals would be the widest? Which would be the narrowest? Explain how you know without calculating the confidence intervals. c. Calculate 90%, 95%, and 99% confidence intervals for u, the mean femur bone length for adult females. Do your results confirm your answer to (b)?
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