Essentials Of Statistics
4th Edition
ISBN: 9781305093836
Author: HEALEY, Joseph F.
Publisher: Cengage Learning,
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Chapter 4, Problem 4.7P
Labor Force Participation Rate | Percentage HS Graduates | Mean Income | ||||
State | Male | Female | Male | Female | Male | Female |
A | 65.8 | 54.3 | 81.0 | 81.9 | 55,623 | 50,012 |
B | 76.7 | 63.0 | 88.4 | 89.7 | 52,345 | 51,556 |
C | 71.8 | 57.2 | 82.4 | 84.6 | 55,789 | 48,231 |
D | 76.1 | 66.6 | 89.5 | 90.9 | 48,907 | 46,289 |
E | 75.1 | 63.1 | 86.9 | 88.7 | 62,023 | 58,034 |
F | 69.9 | 61.1 | 86.3 | 86.4 | 55,000 | 53,897 |
G | 73.6 | 59.6 | 87.1 | 87.6 | 49,145 | 47,148 |
H | 70.5 | 60.3 | 87.0 | 87.6 | 51,897 | 50,659 |
I | 66.3 | 55.2 | 81.7 | 84.1 | 51,238 | 45,289 |
J | 74.5 | 67.1 | 89.1 | 91.6 | 60,746 | 56,489 |
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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 4 Solutions
Essentials Of Statistics
Ch. 4 - Compute the range and standard deviation of the...Ch. 4 - Compute the range and standard deviation of the...Ch. 4 - In problem 3.1 at the end of Chapter 3, you...Ch. 4 - SOC In problem 3.5 at the end of Chapter 3, you...Ch. 4 - SOC In problem 3.6, you computed mean and median...Ch. 4 - Compute the standard deviation for the pretest and...Ch. 4 - SOC Labor force participation rates percent...Ch. 4 - SOC Data on several variables measuring overall...Ch. 4 - SOC The price of a gallon of regular gas for 20...Ch. 4 - SOC In problem 3.11, you computed measures of...
Ch. 4 - Per capita expenditures for public transportation...Ch. 4 - a. PA Compute the range, interquartile range, and...Ch. 4 - SOC Listed here are the rates of abortion per...Ch. 4 - SW One of your goals as the new chief...Ch. 4 - You are the governor of the state and must decide...Ch. 4 - At St. Algebra College, the math department ran...Ch. 4 - Compute the standard deviation for both sets of...
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