I believe the answer is: <span> Showing her thought process
This type of method is commonly used if the author had the assumption that the readers are in beginner's level.
If this strategy is used for readers in advance level, it could potentially make the readers lose interest.
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The test statistics which will be used here is standard deviation.
<h3>What is standard deviation?</h3>
The standard deviation is a statistic that measures the dispersion of a dataset relative to its mean and is calculated as the square root of the variance. The standard deviation is calculated as the square root of variance by determining each data point's deviation relative to the mean.
A volatile stock has a high standard deviation, while the deviation of a stable blue-chip stock is usually rather low.
Thus, Option D is true, as standard deviation is the test statistics which will be used here.
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Your next-door neighbors want to go on a European vacation but cannot afford it. so they decide to visit a local amusement park instead. this is an example of the economizing problem.
<h3>What's a profitable problem?</h3>
- Profitable systems as a type of social system must defy and break the three abecedarian profitable problems.
- What kinds and amounts of goods shall be produced," how important and which of indispensable goods and services shall be produced?"
- How shall goods be produced?. by whom and with what coffers( using what technology).?"
- For whom are the goods or services produced? Who benefits? Samuelson reworded this question as" how is the aggregate of the public product to be distributed among different individualities and families?
<h3>Why is the scrimping problem important?</h3>
- All societies face the profitable problem, which is the problem of how to make the stylish use of limited, or scarce, coffers.
- The profitable problem exists because, although the requirements and wants of people are endless, the coffers available to satisfy requirements and wants are limited.
Learn more about economizing problem here:
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Answer: 10
hope this helps:)