"Skewness" Pronounce,Meaning And Examples
"Skewness" Natural Recordings by Native Speakers
"Skewness" Meaning
Skewness is a measure of the asymmetry of the probability distribution of a real-valued random variable. It can be thought of as a measure of the "tailedness" or "asymmetry" of the distribution.
In other words, skewness measures how much the distribution of a variable deviates from being perfectly symmetrical. A perfectly symmetrical distribution has zero skewness, while a distribution with a long tail on one side has a high skewness value.
There are three types of skewness:
1. Positive skewness: The distribution is skewed to the right, with a longer tail on the right side.
2. Negative skewness: The distribution is skewed to the left, with a longer tail on the left side.
3. Zero skewness: The distribution is perfectly symmetrical.
Skewness is often used in statistics and data analysis to:
Identify outliers and anomalies
Check for data normality
Compare the shape of datasets
Measure the impact of outliers on the mean and standard deviation
A high degree of skewness can indicate that the data is not normally distributed, which can affect the reliability of statistical results.
"Skewness" Examples
Skewness in Sentences
1. Definition Usage
The statistical analysis showed a significant negative skewness in the data set, indicating that the bulk of the data points were concentrated on the right side.2. Scientific Context
In physics, the skewness of a particle's velocity distribution can be measured to understand its deviation from randomness in a Brownian motion study.3. Factual Scenario
Economists often use measures of skewness to analyze and predict stock market trends, taking into account the potential for asymmetrical distributions.4. Mathematical Expression
To calculate the skewness of a set of data, one uses the formula: skewness E[(X-μ)^3] / σ^3, where E is the expected value, X is the random variable, μ is the mean, and σ is the standard deviation.5. Psychological Insight
A psychological study aimed at understanding individuals' attitudes towards risk found that there was a positive skewness in how they perceived their own risk-taking abilities, suggesting an overconfidence bias."Skewness" Similar Words
Skew-whiff
Skew
Skewed
Uneven or biased, often intentionally so, in a way that distorts or distorts a particular aspect, idea, or perception.<br><br>Example: The survey's results were skewed because it only sampled people from urban areas, ignoring the opinions of rural residents.<br><br>Or, in a literal sense, crooked or tilted, not balanced or upright.<br><br>Example: The picture frame was skewed on the wall, making the hanging piece look uneven.
Skewer
A skewer is a small, usually rigid rod, stick, or thin, pointed instrument, used to pick up or hold something, especially food, to cook or burn over a low flame. <br><br>Or, a skewer can also be a verbal irony or sarcasm that distorts or exaggerates the true meaning of a statement. <br><br>Example: "I love working on Mondays!" (said sarcastically - a skewer of the true feeling).
Skewered
To pierce or stab something, typically food, with a skewer so that it can be roasted or grilled, often sarcatically or unreliably.
Skewering
Verb: to put or hold (something, especially a food item) on a sharp stick or skewer, often for grilling or cooking.<br><br>Example: "She skewers the chicken onto the barbecue."<br><br>Idiomatic expression: to criticize or mock someone's opinion or idea by pointing out it's flawed or unrealistic.<br><br>Example: "His comment was skewering the politician's proposal, saying it was unrealistic."
Skewers
Skewers are long, thin, pointed sticks or metal rods used for holding food, typically meat or vegetables, over a fire to grill or roast.
Skewing
Skewing (verb) means to (cause something to) distort or twist in a way that is not straight or normal, often in a way that is unfair or biased.<br><br>Example sentences:<br>- The artist's use of lighting created a skewed perspective on the cityscape.<br>- The movie skewed the facts to fit the filmmaker's agenda.<br><br>Noun: a skewing (an instance of something being distorted or biased)<br><br>Example sentence:<br>- The pollsters have criticized the survey's skewing towards a specific group.
Skews
To distort or twist something in a way that is not accurate or fair, so that one side appears more important or favorable than it really is.<br><br>Example: The movie skews the facts to make the hero look more heroic.<br><br>To bend or warp, especially something made of wood, metal, or plastic.<br><br>Example: The splintered wood of the old chair skews under my hand.<br><br>A distortion or irregular curve, typically one that is asymmetrical.<br><br>Example: The graph on the chart has a visible skew in the middle.
Skhisma
Ski-jumping
Another term for ski flying, it is a winter sport where athletes jump down a ramp similar to a small snow hill and use skis to launch themselves into the air. Ideally, they would leap as far as possible from the ramp, just like in acrobatic skydives, aiming for the greatest distance without crossing into ever more successful types, such as the short takeoff ramp requirements.
Ski-tow
A ski-tow, also known as a tow rope or boot track, is a mechanical device used in winter sports to pull skiers up a slope or hill, either for recreational or instructional purposes. It typically consists of a rope or cable connected to a pulley system, which is usually operated by a machine or human. The ski-tow pulls a skier up the slope, allowing them to glide down without having to walk or climb.
Ski
Skiagraph
A skia- is a prefix that comes from the Greek word "skia," meaning "shadow." <br><br>In this context, a skiagraph is a copy or representation of something that is made by means of shadows. It relates to the art of creating drawings or images by tracing the shadows of objects rather than their actual outlines.