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12 Jun 2020, 09:14
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Among the oils listed that are of the type the dietician recommends for frying, there is only one that Mariano can choose if he follows all of the dietician's advice.: True
Grape-seed oil has the greatest price per ml of all high-heat oils listed.: False
Among the oils on the list, there is a strong positive correlation between the amount per container (in ml) and the price for the container (in dollars).: False
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:
77% (03:20) correct
23%
(03:29)
wrong
based on 1253
sessions
History
Date
Time
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Not Attempted Yet
Dietician: Because of their chemical makeup, some oils are better suited for cooking at high heat than others. This is important because heating an oil above its smoke point—the temperature at which the oil begins to smoke—produces toxic fumes and free radicals, which can be harmful. Refined oils are highly processed with chemicals and should be avoided. Here are some recommendations for suitable uses of oils based on their heat type.
The table lists information about the oils that Mariano is considering buying after reading the dietician’s advice. The table also includes the amount of each oil per container and the price for that amount of oil.
Smoke point and price for oil
U = unrefined
R = refined
For each of the following statements, select True if the statement is true based on the information provided. Otherwise, select False.
- No heat—use these oils on salads or as condiments
- Low heat—use these oils for sauces and for baking
- Medium heat—use these oils for light sautéing
- High heat—use these oils for browning and frying
The table lists information about the oils that Mariano is considering buying after reading the dietician’s advice. The table also includes the amount of each oil per container and the price for that amount of oil.
Smoke point and price for oil
| Type | Oil | Temp (°C): Oil-heat type | Amount (ml) | Price per amount ($) |
|---|---|---|---|---|
| U | coconut | 190°/high | 250 | 8 |
| R | corn | 210°/high | 1000 | 6.5 |
| U | flaxseed | 49°/no | 473 | 18 |
| R | grapes-seed | 215°/high | 500 | 10.5 |
| U | olive, extra-virgin | 163°/med | 200 | 13 |
| R | olive, light | 225°/high | 750 | 12 |
| R | peanut | 232°/higli | 475 | 9 |
| U | pumpkin | 100°/low | 250 | 14.5 |
| U | safflower | 100°Ilow | 250 | 20 |
| U | sesame | 163°/med | 500 | 14 |
| U | sunflower | 100°/low | 500 | 6 |
| R | sunflower | 227°/high | 1000 | 7 |
| U | walnut | 49°/no | 500 | 9.5 |
U = unrefined
R = refined
For each of the following statements, select True if the statement is true based on the information provided. Otherwise, select False.
| True | False | |
| Among the oils listed that are of the type the dietician recommends for frying, there is only one that Mariano can choose if he follows all of the dietician's advice. | ||
| Grape-seed oil has the greatest price per ml of all high-heat oils listed. | ||
| Among the oils on the list, there is a strong positive correlation between the amount per container (in ml) and the price for the container (in dollars). |
ShowHide Answer
Official Answer
Among the oils listed that are of the type the dietician recommends for frying, there is only one that Mariano can choose if he follows all of the dietician's advice.: True
Grape-seed oil has the greatest price per ml of all high-heat oils listed.: False
Among the oils on the list, there is a strong positive correlation between the amount per container (in ml) and the price for the container (in dollars).: False
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16 Apr 2021, 04:19
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Official Explanation
RO1
The dietician recommends avoiding refined oils. Sorting the table by Type shows that only eight oils in the table are unrefined. Frying requires high heat, but only one of these eight oils—coconut—has an Oil-heat type classified as high. Therefore, coconut is the only oil Mariano can choose for frying if he follows all of the dietician’s advice.
The correct answer is True.
RO2
Sorting the table by Temp shows that there are six high-heat oils. To find an oil's price per ml, divide its Price per amount by its Amount. The results of this calculation are shown in the table below:
2.jpg [ 76.71 KiB | Viewed 14766 times ]
RO3
When the table is sorted by Amount (ml), which sorts from least to greatest, inspection of the Price per amount ($) column shows that its values are not ordered from least to greatest. Therefore, there is not a strong positive correlation between the amount per container and the price per container.
The correct answer is False.
RO1
The dietician recommends avoiding refined oils. Sorting the table by Type shows that only eight oils in the table are unrefined. Frying requires high heat, but only one of these eight oils—coconut—has an Oil-heat type classified as high. Therefore, coconut is the only oil Mariano can choose for frying if he follows all of the dietician’s advice.
The correct answer is True.
RO2
Sorting the table by Temp shows that there are six high-heat oils. To find an oil's price per ml, divide its Price per amount by its Amount. The results of this calculation are shown in the table below:
Attachment:
2.jpg [ 76.71 KiB | Viewed 14766 times ]
RO3
When the table is sorted by Amount (ml), which sorts from least to greatest, inspection of the Price per amount ($) column shows that its values are not ordered from least to greatest. Therefore, there is not a strong positive correlation between the amount per container and the price per container.
The correct answer is False.
General Discussion
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12 Jun 2020, 10:21
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1. Among the oils listed that are of the type the dietician recommends for frying, there is only one that Mariano can choose if he follows all of the dietician's advice.
High Heat is the heat type of oil which is used for frying. From the table, we can infer the high heat type of oils:
The oil that are recommended for frying are:
Under Unrefined: Coconut.
Under Refined: Corn,Grapes- Seed, Olive-light, Peanut, sunflower.
As per dietician's advice, Mariano, will choose an unrefined oil, and there is only one high heat based un-refined oil.
Answer is True.
2.Grape-seed oil has the greatest price per ml of all high-heat oils listed.
Price of grape-seed oil/ml = 10.50 per 500ml so 1ml of oil would cost = 0.021$.
Price of coconut oil/ml = $ 8/250 = $0.032, which is higher than the price of grape seed oil.
Answer is False.
3. Among the oils on the list, there is a strong positive correlation between the amount per container (in ml) and the price for the container (in dollars).
+ve correlation => that the increase in amount per container (in ml) matches with increase in price for the container (in dollars).
Which we can see not present in case of Refined corn oil. Thus this statement doesnt hold true.
Answer False.
High Heat is the heat type of oil which is used for frying. From the table, we can infer the high heat type of oils:
The oil that are recommended for frying are:
Under Unrefined: Coconut.
Under Refined: Corn,Grapes- Seed, Olive-light, Peanut, sunflower.
As per dietician's advice, Mariano, will choose an unrefined oil, and there is only one high heat based un-refined oil.
Answer is True.
2.Grape-seed oil has the greatest price per ml of all high-heat oils listed.
Price of grape-seed oil/ml = 10.50 per 500ml so 1ml of oil would cost = 0.021$.
Price of coconut oil/ml = $ 8/250 = $0.032, which is higher than the price of grape seed oil.
Answer is False.
3. Among the oils on the list, there is a strong positive correlation between the amount per container (in ml) and the price for the container (in dollars).
+ve correlation => that the increase in amount per container (in ml) matches with increase in price for the container (in dollars).
Which we can see not present in case of Refined corn oil. Thus this statement doesnt hold true.
Answer False.
