The table displays data on the top fifteen crude oil-producing nations

Question

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The table displays data on the top fifteen crude oil-producing nations in the world. The data are from November, 2010, unless otherwise indicated.

Country    Daily Production
(millions of barrels)    Share of World
Production as %    Proven Reserves
(billions of barrels)    Daily exports to the U.S.
(thousands of barrels)     Algeria  2.16  2.47  12.2  262    Brazil  2.75  3.2  12.8  271    Canada  3.7  4.3  175.2  2060    China  4.26  5  20.4  8*    Iran  4.2  4.9  137.6  0    Iraq  2.39  2.81  115  336    Kuwait  2.5  2.93  101.5  125    Mexico  2.88  3.39  10.4  1220    Nigeria  2.51  2.95  37.2  1020    Norway  2.14  2.45  6.7  35    Russia  9.91  11.6  60  158    Saudi Arabia  10.3  12.1  259.9  1080    UAE  2.81  03.3  97.8  10**    USA  8.85  10.4  19.2  n/a    Venezuela  2.35  2.80  99.4  825     ( Sort ↕  the table by clicking on the headers)

* The data for China’s Daily Exports to the U.S. are from December 2010
** The data for the UAE’s Daily Exports to the U.S. are from September 2010
(Data are from the Energy Information Association)

For each of the following statements, select Yes if the statement can be shown to be true based on the information in the table. Otherwise, select No.

Ipsita! · Answer

Why is the 3rd question a yes?

Posted from my mobile device

Sajjad1994 · Answer

Official Explanation

Statement 3

Here you have to compare the ratio of  “Daily Production”  to  “Proven Reserves”  for the United States to that ratio for each of the other countries. For the United States, this ratio is:

\frac{8.85 million}{19.2 billion} = \frac{8.85*10^6}{19.2*10^9} = 0.46*10^{-3}

You do not need to actually calculate this ratio precisely for each of the other countries. While on many Integrated Reasoning questions you have to be precise and should not estimate, here is one case when it is safe to estimate. Why? Because the question does not ask you to provide an exact value, but rather to compare certain values to certain other values.

All countries produced barrels in the millions daily and had reserves in the billions. Thus, the ratio for all countries will look like the ratio for the United States: it will be in the form of  R × 10^{–3} . For the purposes of the comparison, you can ignore the  10^{–3}  and estimate the various values of R.

For the United States, R equals almost 0.5. A quick look at the table shows you that for most countries R is considerably smaller than 0.5 (e.g., for Saudi Arabia it is  \frac{10.3}{259.9}  or approximately 0.04; and for Canada, it is  \frac{3.7}{175.2}  or approximately 0.02). Scan through the table and look for a country whose Daily Production (ignoring the unit—millions of barrels) is close to half its Proven Reserves (again ignoring the unit). The only country that comes close is Norway, and even then the ratio is closer to one-third rather than one-half ( (\frac{2.14}{6.7})  ). Thus, no country produces more crude oil daily relative to the amount of its own proven reserves than does the United States.

The correct answer is Yes.

WEIQING · Answer

why the 2nd is a yes? Consider Canada.. daily production is 3.7m, daily export is 2060 thousand , which is more than the half?

anish777 · Answer

The second option is a Yes. How come ?
 Sajjad1994

Navnit99 · Answer

Answer for 2nd is yes. I did not understand.

Sajjad1994 · Answer

Official Explanation

No country exported to the United States more than half the crude oil that that country produced daily.

Explanation

You have to compare the  “Daily Exports to the U.S.”  value for each country to the value of that country’s  “Daily Production,”  looking for any ratio of  “Daily Exports”  to  “Daily Production”  that is greater than 1/2 . For this task, you’re not comparing values vertically along one column, but rather horizontally along the rows, so it’s not imperative that you re-sort the data in one particular way. However, it is still helpful to keep the table sorted by the  “Daily Production”  column so you have one of the two sets of values involved in the comparison ordered neatly.

Because you’re comparing, be sure to keep the units straight! The  “Daily Production”  and  “Daily Exports to the U.S.”  figures are not given in the same units. The former are given in millions of barrels, whereas the latter are in thousands of barrels. Convert one of the two values into the other’s units in order to compare correctly. For instance, in thousands of barrels, Norway’s daily production is 2,140 thousand barrels, which is quite a bit more than twice the 35 thousand it exports to the United States. In fact, because all the countries on the list produce more than 2 million barrels daily, no country that exports to the United States fewer than 1 million barrels (that is, 1,000 thousand barrels) could possibly be one that exports to the United States more than half its daily production. You can easily eliminate all these countries, so you are left with only Nigeria, Mexico, Canada, and Saudi Arabia. Canada’s 2,060 thousand barrels exported daily to the United States are more than half of Canada’s 3,700 thousand barrels produced daily, so there is at least one country that exports to the United States more than half its daily production. Thus, statement 2 is incorrect.

The correct answer is “No.”

Gemmie · Answer

The top six countries in terms of daily crude oil production accounted for more than half of the world’s daily crude oil production. => No

Sort by % Daily Production => Top 6 in production are
- Saudi: accounting for 10.3% of World Production
- Russia: 9.91
- US: 8.85
- China: 4.26
- Iran: 4.2
- Canada: 3.7
==> Total: 41.22%

No country exported to the United States more than half the crude oil that that country produced daily. => No

Checking those with greatest export to the US
- Nigeria: exporting 1020(k) < \(\frac{1}{2}\) * 2.51(m)
- Saudi: exporting 1080(k) < \(\frac{1}{2} \)* 10.3(m)
- Mexico: exporting 1220(k) < \(\frac{1}{2}\) * 2.88(m)
- Canada: exporting 2060(k) > \(\frac{1}{2}\) * 3.7(m) = 1.85

No country produced more crude oil daily relative to the amount of its own proven reserves than did the United States. => Yes

Sort by daily productions => All daily productions are between 2.14 and 10.3 million
Sort by reserves => All reserves are between 6.7 and 259.9 million
- Norway having reserves of 6.7 million but only producing 2.14
- Others have more than 10.3 million reserves

samarpan.g28 · Answer

For the first question, the top six countries produce 41.22M barrels whereas the total production is 63.71M barrels. Is not this over 50% of total production?

benson2001 · Answer

Please, expkain Q1. thanks 
share of world production as% ?
sum of top6 share of world production as%?

pappal · Answer

IMO answer 1st is YES 
whether we calculate in terms of absolute value of production or in terms of %age
please correct me if I'm wrong

ShilpiAgnihotrii · Answer

The QA is wrong for the 1st question

cheshire · Answer

no, you're right.

The table displays data on the top fifteen crude oil-producing nations

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Country	Daily Production (millions of barrels)	Share of World Production as %	Proven Reserves (billions of barrels)	Daily exports to the U.S. (thousands of barrels)
Algeria	2.16	2.47	12.2	262
Brazil	2.75	3.2	12.8	271
Canada	3.7	4.3	175.2	2060
China	4.26	5	20.4	8*
Iran	4.2	4.9	137.6	0
Iraq	2.39	2.81	115	336
Kuwait	2.5	2.93	101.5	125
Mexico	2.88	3.39	10.4	1220
Nigeria	2.51	2.95	37.2	1020
Norway	2.14	2.45	6.7	35
Russia	9.91	11.6	60	158
Saudi Arabia	10.3	12.1	259.9	1080
UAE	2.81	03.3	97.8	10**
USA	8.85	10.4	19.2	n/a
Venezuela	2.35	2.80	99.4	825

Yes	No
		The top six countries in terms of daily crude oil production accounted for more than half of the world’s daily crude oil production.
		No country exported to the United States more than half the crude oil that that country produced daily.
		No country produced more crude oil daily relative to the amount of its own proven reserves than did the United States.