Answer:
Data Mining Techniques
Identification of whether the task required supervised or unsupervised learning:
a. supervised learning
b. supervised learning
c. supervised learning
d. supervised learning
e. supervised learning
f. unsupervised learning
g. unsupervised learning
h. supervised learning
Explanation:
There are supervised and unsupervised machine learning models. In a supervised learning model, the algorithm evaluates a labeled dataset by comparing it with another dataset called the training data. The purpose is to evaluate its accuracy on the training data. On the other hand, an unsupervised model uses the unlabeled dataset and tries to make sense of it by extracting non-existing features and patterns without the training dataset.
Answer:
For example without public goods, we wouldn't have schools, parks, or rec centers, to name a few examples.
Explanation:
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None of the options shows an alternative Tina has, a real alternative would be a credit card and cash ($190)
In economics, an alternative is an element that replaces or substitutes another. For an element to be considered an alternative it needs:
- To belong to the same category or have the same function.
- To be possible for the user to replace the first element using the alternative.
Based on this, let's analyze each of the options:
- Jacket and $100: These are not alternatives because Tina wants a jacket and this product cannot be replaced with money as money will not protect Tina from cold weather.
- Shoes and a jacket: These are not alternatives because Tina wants the two products not only one.
- Credit card and $100: These would be alternatives if the total cost was $100. However, using a credit card Tina can pay for both products but using $100 she can only pay for one of the products.
Therefore, the options do not present alternatives; but one valid alternative is a credit card and $190.
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Answer:
The correct answer is option C.
Explanation:
The law of comparative advantage states that a country will produce and export the commodity it has a comparative advantage in producing.
In other words, if the country can produce good cheaply or at a lower opportunity cost.
The good that cannot be produced cheaply or has a higher opportunity cost will be imported from the country that produces it cheaply.
