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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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which quantity to

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "which quantity to" is not complete on its own but can be correct in a specific context when followed by additional information.
It can be used when asking for clarification or guidance on selecting a specific quantity in a given situation. Example: "I am unsure which quantity to choose for the order based on the available options."

Science

Formal & Business

News & Media

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

It is not sufficient to be able to choose at will which quantity to measure; for the conclusion to follow from the Criterion alone one would need to be able to measure both quantities at once.

Science

SEP

An experiment consists in choosing an action to perform on the system and deciding which quantity to observe.

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

As awards are made for supply beginning up to five years into the future and for a 10 year supply commitment period, information on new products potentially to reach the market within the coming five years will guide decisions on which quantities to award now and which quantities to leave for future suppliers, in order to best support the AMC objectives.

Formal & Business

Unicef

In practice, this means that as soon as the cost objective has been optimized, the routes are fixed, and the solver has only to decide which quantities are to be delivered to which node.

This approach allows users to perform more statistically robust calculations in cell biology despite having uncertain values, and to identify which quantities need to be measured more precisely to make confident statements, facilitating efficient experimental design.

These expressions still allow one to choose which quantity is constant on the magnetic surfaces of the equilibrium, thereby generalizing previous results.

In order to compare the two infection treatments and the mock condition, relative quantifications were conducted on all compounds except for tryptamine, for which quantities were too low to be detected to perform proper relative quantification.

An interest in population fluctuations naturally leads to the question of the extent to which quantity-quality dynamics in-of-themselves induce oscillations in populations and what the periodicity of such oscillations would be.

Science

Plosone

The approach is a computational one in which quantities that are intractable to evaluate exactly are approximated by sample averages from randomized algorithms.

The three chains will keep separate operations, distribution centers and pricing strategies, but must jointly decide which quantities of what products to buy together and coordinate shipping and inventory.

News & Media

Forbes

Which quantities (amounts, concentrations, units) correspond to the model attributes?

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Expert writing Tips

Best practice

When using the phrase "which quantity to", ensure you provide clear context for what the quantity refers to. For example, "Decide which quantity to order based on predicted demand."

Common error

Avoid using "which quantity to" without specifying the object or substance being quantified. For example, instead of saying "I don't know which quantity to", specify "I don't know which quantity of paint to buy."

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

3.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "which quantity to" functions as an interrogative phrase introducing an infinitive clause. It typically sets up a question regarding the selection of a specific amount or number for a particular purpose. As Ludwig AI explains, the phrase is acceptable, especially with additional context.

Expression frequency: Rare

Frequent in

Science

50%

Formal & Business

25%

News & Media

25%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "which quantity to" is an acceptable phrase used to inquire about the amount or measure to be selected, especially in situations needing specific quantities. It is considered grammatically correct although it requires additional context. Ludwig AI confirms its usage in various contexts from science and business to news, even though it is not very common. To ensure clarity, always specify what is being quantified when using this phrase.

FAQs

How can I use "which quantity to" in a sentence?

You can use "which quantity to" to introduce a question about selecting a specific amount. For instance, "The recipe doesn't specify which quantity to use, so I'm unsure how much to add."

What's a simpler way to express "which quantity to"?

Alternatives include "how much to", "what amount to", or "which amount is", depending on the desired level of formality.

Is it always necessary to specify units of measurement after "which quantity to"?

While not always grammatically required, specifying units (e.g., "which quantity of water to add") enhances clarity and reduces ambiguity. Omission is acceptable if the context makes the units obvious.

What is the difference between "which quantity to use" and "what quantity to use"?

"Which quantity to use" implies a selection from a predefined set of options, whereas "what quantity to use" is a more open-ended question about determining an appropriate amount.

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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

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