Statistics: Concepts and Controversies
9th Edition
ISBN: 9781464192937
Author: David S. Moore, William I. Notz
Publisher: W. H. Freeman
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Chapter 3, Problem 7CTB
To determine
The correct option as an estimate of true population.
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We are interested in whether the proportions of female suicide victims for ages 15 to 24 are the same between the white and the black races in the United States. We randomly pick one year to compare the races. The number
of suicides estimated in the United States in that year for white females is 4,930. Five hundred eighty-three were aged 15 to 24. The estimate for black females is 330. Forty-one were aged 15 to 24. We will let female suicide
victims be our population. (Use α = 0.05.)
NOTE: If you are using a Student's t-distribution for the problem, including for paired data, you may assume that the underlying population is normally distributed. (In general, you must first prove that assumption, though.)
Part (a)
State the null hypothesis.
○ Ho: PW> PB
O Ho: PW + PB
Ho: Pw≤ PB
Ho: PW-PB
○ Ho: Pw PB
Part (c)
In words, state what your random variable P'w-P'B represents.
P'w-P'B represents the average difference of white and black female suicide victims, aged 15 to 24.
○ P'w-P'B…
please solve this problem step by step and make it quick please
please solve this problem step by step and make it quick please
Chapter 3 Solutions
Statistics: Concepts and Controversies
Ch. 3 - Prob. CSCh. 3 - Prob. 1CTBCh. 3 - Prob. 2CTBCh. 3 - Prob. 3CTBCh. 3 - Prob. 4CTBCh. 3 - Prob. 5CTBCh. 3 - Prob. 6CTBCh. 3 - Prob. 7CTBCh. 3 - Prob. 8ECh. 3 - Prob. 9E
Ch. 3 - Prob. 10ECh. 3 - Prob. 11ECh. 3 - Prob. 12ECh. 3 - Prob. 13ECh. 3 - Prob. 14ECh. 3 - Prob. 15ECh. 3 - Prob. 16ECh. 3 - Prob. 17ECh. 3 - Prob. 18ECh. 3 - Prob. 19ECh. 3 - Prob. 20ECh. 3 - Prob. 21ECh. 3 - Prob. 22ECh. 3 - Prob. 23ECh. 3 - Prob. 24ECh. 3 - Prob. 25ECh. 3 - Prob. 26ECh. 3 - Prob. 27ECh. 3 - Prob. 28ECh. 3 - Prob. 29ECh. 3 - Prob. 30ECh. 3 - Prob. 31ECh. 3 - Prob. 32ECh. 3 - Prob. 33ECh. 3 - Prob. 34ECh. 3 - Prob. 35ECh. 3 - Prob. 36ECh. 3 - Prob. 37ECh. 3 - Prob. 38ECh. 3 - Prob. 39ECh. 3 - Prob. 40E
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