EBK PRACTICE OF STAT.F/AP EXAM,UPDATED
EBK PRACTICE OF STAT.F/AP EXAM,UPDATED
6th Edition
ISBN: 9781319287573
Author: Starnes
Publisher: MPS PUB
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Chapter 1.1, Problem 38E

a.

To determine

To find the distributions of survival status for males and for females within each class of travel. To determine and explain whether women survive the disaster at higher rates than men.

a.

Expert Solution
Check Mark

Answer to Problem 38E

The results of the survival status for males and for females within each class of travel is as shown in the table below:

    Survival Status First Class Second Class Third Class
    Female Male Female Male Female Male
    Survived 97.22% 32.57% 86.02% 8.33% 46.06% 16.23%
    Dead 2.78% 67.43% 13.98% 91.67% 53.94% 83.77%

Yes, the above table indicates that women survive the disaster at higher rates than men in each class of travel.

Explanation of Solution

The below table summarizes data on survival status by gender and class of travel on the Titanic:

    Survival Status First Class Second Class Third Class
    Female Male Female Male Female Male
    Survived 140 57 80 14 76 75
    Dead 4 118 13 154 89 387

Let us first determine the column total of each column, which is the sum of all counts in the corresponding column as shown in table below:

    Survival Status First Class Second Class Third Class
    Female Male Female Male Female Male
    Survived 140 57 80 14 76 75
    Dead 4 118 13 154 89 387
    Column Total 140+4=144 57+118=175 80+13=93 14+154=168 76+89=165 75+387=462

To determine the distribution of survival status for each gender within each class of travel, we divide the counts by the column total as shown below:

    Survival Status First Class Second Class Third Class
    Female Male Female Male Female Male
    Survived 14014497.22%5717532.57%809386.02%141688.33%7616546.06%7546216.23%
    Dead 41442.78%11817567.43%139313.98%15416891.67%8916553.94%38746283.77%

We note that for each class, the female survival rate is higher than the male survival rate (97.22% versus 32.57% for first class, 86.02% versus 8.33% for second class and 46.06% versus 16.23% for third class), which indicates that women survive the disaster at higher rates than men.

b.

To determine

To determine the relationship between the survival rate for both males and females in all three classes of travel and verify whether it holds the similar relation such as first-class passengers had the highest survival rate, while third-class passengers had the lowest survival rate.

b.

Expert Solution
Check Mark

Answer to Problem 38E

The results of the survival status for males and for females within each class of travel is as shown in the table below:

    Survival Status First Class Second Class Third Class
    Female Male Female Male Female Male
    Survived 97.22% 32.57% 86.02% 8.33% 46.06% 16.23%
    Dead 2.78% 67.43% 13.98% 91.67% 53.94% 83.77%

No, the above table indicates that the same relationship does not hold good for both males and females in all three classes of travel with respect to the survival rate in different classes.

Explanation of Solution

The below table summarizes data on survival status by gender and class of travel on the Titanic:

    Survival Status First Class Second Class Third Class
    Female Male Female Male Female Male
    Survived 140 57 80 14 76 75
    Dead 4 118 13 154 89 387

Let us first determine the column total of each column, which is the sum of all counts in the corresponding column as shown in table below:

    Survival Status First Class Second Class Third Class
    Female Male Female Male Female Male
    Survived 140 57 80 14 76 75
    Dead 4 118 13 154 89 387
    Column Total 140+4=144 57+118=175 80+13=93 14+154=168 76+89=165 75+387=462

To determine the distribution of survival status for each gender within each class of travel, we divide the counts by the column total as shown below:

    Survival Status First Class Second Class Third Class
    Female Male Female Male Female Male
    Survived 14014497.22%5717532.57%809386.02%141688.33%7616546.06%7546216.23%
    Dead 41442.78%11817567.43%139313.98%15416891.67%8916553.94%38746283.77%

We note that the female survival rate is highest for first class (97.22%) and lowest for third class (46.06%). However, for males, we note that the lowest survival rate is for second class (8.33%) instead of for third class (16.23%). Thus, the same relationship does not hold good for both males and females in all three classes of travel.

Chapter 1 Solutions

EBK PRACTICE OF STAT.F/AP EXAM,UPDATED

Ch. 1.1 - Prob. 21ECh. 1.1 - Prob. 22ECh. 1.1 - Prob. 23ECh. 1.1 - Prob. 24ECh. 1.1 - Prob. 25ECh. 1.1 - Prob. 26ECh. 1.1 - Prob. 27ECh. 1.1 - Prob. 28ECh. 1.1 - Prob. 29ECh. 1.1 - Prob. 30ECh. 1.1 - Prob. 31ECh. 1.1 - Prob. 32ECh. 1.1 - Prob. 33ECh. 1.1 - Prob. 34ECh. 1.1 - Prob. 35ECh. 1.1 - Prob. 36ECh. 1.1 - Prob. 37ECh. 1.1 - Prob. 38ECh. 1.1 - Prob. 39ECh. 1.1 - Prob. 40ECh. 1.1 - Prob. 41ECh. 1.1 - Prob. 42ECh. 1.1 - Prob. 43ECh. 1.1 - Prob. 44ECh. 1.2 - Prob. 45ECh. 1.2 - Prob. 46ECh. 1.2 - Prob. 47ECh. 1.2 - Prob. 48ECh. 1.2 - Prob. 49ECh. 1.2 - Prob. 50ECh. 1.2 - Prob. 51ECh. 1.2 - Prob. 52ECh. 1.2 - Prob. 53ECh. 1.2 - Prob. 54ECh. 1.2 - Prob. 55ECh. 1.2 - Prob. 56ECh. 1.2 - Prob. 57ECh. 1.2 - Prob. 58ECh. 1.2 - Prob. 59ECh. 1.2 - Prob. 60ECh. 1.2 - Prob. 61ECh. 1.2 - Prob. 62ECh. 1.2 - Prob. 63ECh. 1.2 - Prob. 64ECh. 1.2 - Prob. 65ECh. 1.2 - Prob. 66ECh. 1.2 - Prob. 67ECh. 1.2 - Prob. 68ECh. 1.2 - Prob. 69ECh. 1.2 - Prob. 70ECh. 1.2 - Prob. 71ECh. 1.2 - Prob. 72ECh. 1.2 - Prob. 73ECh. 1.2 - Prob. 74ECh. 1.2 - Prob. 75ECh. 1.2 - Prob. 76ECh. 1.2 - Prob. 77ECh. 1.2 - Prob. 78ECh. 1.2 - Prob. 79ECh. 1.2 - Prob. 80ECh. 1.2 - Prob. 81ECh. 1.2 - Prob. 82ECh. 1.2 - Prob. 83ECh. 1.2 - Prob. 84ECh. 1.2 - Prob. 85ECh. 1.2 - Prob. 86ECh. 1.3 - Prob. 87ECh. 1.3 - Prob. 88ECh. 1.3 - Prob. 89ECh. 1.3 - Prob. 90ECh. 1.3 - Prob. 91ECh. 1.3 - Prob. 92ECh. 1.3 - Prob. 93ECh. 1.3 - Prob. 94ECh. 1.3 - Prob. 95ECh. 1.3 - Prob. 96ECh. 1.3 - Prob. 97ECh. 1.3 - Prob. 98ECh. 1.3 - Prob. 99ECh. 1.3 - Prob. 100ECh. 1.3 - Prob. 101ECh. 1.3 - Prob. 102ECh. 1.3 - Prob. 103ECh. 1.3 - Prob. 104ECh. 1.3 - Prob. 105ECh. 1.3 - Prob. 106ECh. 1.3 - Prob. 107ECh. 1.3 - Prob. 108ECh. 1.3 - Prob. 109ECh. 1.3 - Prob. 110ECh. 1.3 - Prob. 111ECh. 1.3 - Prob. 112ECh. 1.3 - Prob. 113ECh. 1.3 - Prob. 114ECh. 1.3 - Prob. 115ECh. 1.3 - Prob. 116ECh. 1.3 - Prob. 117ECh. 1.3 - Prob. 118ECh. 1.3 - Prob. 119ECh. 1.3 - Prob. 120ECh. 1.3 - Prob. 121ECh. 1.3 - Prob. 122ECh. 1.3 - Prob. 123ECh. 1.3 - Prob. 124ECh. 1.3 - Prob. 125ECh. 1.3 - Prob. 126ECh. 1.3 - Prob. 127ECh. 1.3 - Prob. 128ECh. 1 - Prob. 1ECh. 1 - Prob. 2ECh. 1 - Prob. 3ECh. 1 - Prob. 4ECh. 1 - Prob. 5ECh. 1 - Prob. 6ECh. 1 - Prob. 7ECh. 1 - Prob. 8ECh. 1 - Prob. 9ECh. 1 - Prob. 10ECh. 1 - Prob. R1.1RECh. 1 - Prob. R1.2RECh. 1 - Prob. R1.3RECh. 1 - Prob. R1.4RECh. 1 - Prob. R1.5RECh. 1 - Prob. R1.6RECh. 1 - Prob. R1.7RECh. 1 - Prob. R1.8RECh. 1 - Prob. R1.9RECh. 1 - Prob. R1.10RECh. 1 - Prob. T1.1SPTCh. 1 - Prob. T1.2SPTCh. 1 - Prob. T1.3SPTCh. 1 - Prob. T1.4SPTCh. 1 - Prob. T1.5SPTCh. 1 - Prob. T1.6SPTCh. 1 - Prob. T1.7SPTCh. 1 - Prob. T1.8SPTCh. 1 - Prob. T1.9SPTCh. 1 - Prob. T1.10SPTCh. 1 - Prob. T1.11SPTCh. 1 - Prob. T1.12SPTCh. 1 - Prob. T1.13SPTCh. 1 - Prob. T1.14SPT
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