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21 Nov 2024, 11:00
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Dropdown 1: 60%
Dropdown 2: Portugal
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
65%
(hard)
Question Stats:
63% (02:10) correct
37%
(02:36)
wrong
based on 918
sessions
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Not Attempted Yet
The following graph shows the results of a survey taken in 14 markets that inquired about subjects’ habit of reading the print version of a daily newspaper. Each point represents the percent of men and the percent of women in a particular market who indicated that they read the daily paper. The solid line is the line of best fit. The equation of this line is shown on the graph.
The line of best fit most accurately predicts the percent of women who read the daily paper when the percent of men who read the daily paper exceeds .
The percent of men who read the daily paper differs most from the percent of women who read it in .
NewspaperRead.jpg [ 51.41 KiB | Viewed 6088 times ]
The line of best fit most accurately predicts the percent of women who read the daily paper when the percent of men who read the daily paper exceeds .
The percent of men who read the daily paper differs most from the percent of women who read it in .
Attachment:
NewspaperRead.jpg [ 51.41 KiB | Viewed 6088 times ]
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Dropdown 1: 60%
Dropdown 2: Portugal
22 Nov 2024, 11:00
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1. Part 1. We need to find at what percent of men does the line accurately predict the results.
2. To see this, we can mark the distances of each point to the line - this marks how effective the line is. As we can see, above 60% the line is quite close to the points.
3. Part 2. The question asks to find for which point the percentage of men differs from women.
4. The y = x line represents 0 difference between the two. So, the farther away the point is from this line, the larger the difference between the two percentages. It can be seen that Portugal is the farthest away.
5. Our answer will be: 60% and Portugal.
NewspaperRead1.jpg [ 29.18 KiB | Viewed 5579 times ]
NewspaperRead2.jpg [ 32.74 KiB | Viewed 5583 times ]
2. To see this, we can mark the distances of each point to the line - this marks how effective the line is. As we can see, above 60% the line is quite close to the points.
3. Part 2. The question asks to find for which point the percentage of men differs from women.
4. The y = x line represents 0 difference between the two. So, the farther away the point is from this line, the larger the difference between the two percentages. It can be seen that Portugal is the farthest away.
5. Our answer will be: 60% and Portugal.
Attachment:
NewspaperRead1.jpg [ 29.18 KiB | Viewed 5579 times ]
Attachment:
NewspaperRead2.jpg [ 32.74 KiB | Viewed 5583 times ]
06 Apr 2025, 02:42
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Drawing the line y=x is a good idea make the answer clearer. Bismuth83
