độ lệch
Definition
- Noun:
- Deviation: The amount by which a single measurement, point, or value differs from a standard, reference point, or expected value.
- Discrepancy: A difference between two or more comparable pieces of data or results.
- Declination: In specific scientific contexts (e.g., physics, astronomy), it can refer to the angular difference from a reference direction, such as magnetic declination.
Usage Examples
- Noun:
- Độ lệch giữa kết quả thực tế và dự báo là rất nhỏ. (The deviation between the actual result and the forecast is very small.)
- Cần tính toán độ lệch của các số liệu. (It is necessary to calculate the discrepancy of the data figures.)
- Độ lệch từ trường ảnh hưởng đến la bàn. (Magnetic declination affects the compass.)
Advanced Usage
"độ lệch chuẩn" (Standard Deviation): A statistical measure of the amount of variation or dispersion in a set of values.
- Độ lệch chuẩn cao cho thấy dữ liệu phân tán rộng. (A high standard deviation indicates the data is widely dispersed.)
"độ lệch pha" (Phase Shift/Deviation): In physics and engineering, the difference in phase between two periodic signals.
- Độ lệch pha giữa điện áp và dòng điện. (The phase shift between voltage and current.)
Variants and Related Words
Lệch (adj): To be askew, crooked, or not aligned.
- Cái bàn bị lệch chân. (The table has a crooked leg.)
Sai lệch (n/v): Discrepancy, error; to deviate.
- Sai lệch trong báo cáo cần được điều chỉnh. (The error in the report needs to be corrected.)
Synonyms
- Deviation: A departure from a standard or norm.
- Discrepancy: A lack of compatibility or similarity between facts or figures.
- Variance: The fact or quality of being different or divergent.
Related Scientific Terms
- Độ lệch tâm (Eccentricity): In geometry, a parameter that determines how much a conic section deviates from being circular.
- Độ lệch tuyệt đối (Absolute Deviation): The absolute difference between a data point and a reference point (like the mean).