What is the strongest relationship?

The strongest linear relationship is indicated by a correlation coefficient of -1 or 1. The weakest linear relationship is indicated by a correlation coefficient equal to 0.

guides.fscj.edu - STA 2023: Statistics: Correlation

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Correlation

Correlation coefficients measure the strength of association between two variables. The most common correlation coefficient, called the Pearson product-moment correlation coefficient, measures the strength of the linear association between variables. The sign and the absolute value of a Pearson correlation coefficient describe the direction and the magnitude of the relationship between two variables.

The value of a correlation coefficient ranges between -1 and 1.

The greater the absolute value of a correlation coefficient, the stronger the linear relationship. The strongest linear relationship is indicated by a correlation coefficient of -1 or 1. The weakest linear relationship is indicated by a correlation coefficient equal to 0. A positive correlation means that if one variable gets bigger, the other variable tends to get bigger. A negative correlation means that if one variable gets bigger, the other variable tends to get smaller. Keep in mind that the Pearson correlation coefficient only measures linear relationships. Therefore, a correlation of 0 does not mean zero relationship between two variables; rather, it means zero linearrelationship. (It is possible for two variables to have zero linear relationship and a strong curvilinear relationship at the same time.)

A formula for computing a Pearson correlation coefficient is given below.

Correlation coefficient. The correlation r between two variables is: The correlation r between two variables is: r = Σ (xy) / sqrt [ ( Σ x2 ) * ( Σ y2 ) ] where Σ is the summation symbol, x = x i - x , x i is the x value for observation i, x is the mean x value, y = y i - y , y i is the y value for observation i, and y is the mean y value. where Σ is the summation symbol, x = x, xis the x value for observation i,is the mean x value, y = y, yis the y value for observation i, andis the mean y value. Fortunately, you will rarely have to compute a correlation coefficient by hand. Many software packages (e.g., Excel) and most graphing calculators have a correlation function that will do the job for you.

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What do you call a girl who is attracted to older guys?

Gerontophilia is the primary sexual attraction to the elderly. A person with such a sexual preference is a gerontophile or gerontosexual.

en.wikipedia.org - Gerontophilia - Wikipedia

Gerontophilia is the primary sexual attraction to the elderly. A person with such a sexual preference is a gerontophile or gerontosexual.[1] The word gerontophilia was coined in 1901 by psychiatrist Richard von Krafft-Ebing.[2][3] It derives from Greek: geron, meaning "old person" and philia, meaning "friendship".[4] Gerontophilia is classified as a paraphilia, but is not mentioned in the Diagnostic and Statistical Manual of Mental Disorders or International Classification of Diseases.[2] The prevalence of gerontophilia is unknown.[2] A study of pornographic search terms on a peer-to-peer network reported that 0.15% had gerontophilic themes.[5] Sex offenders with elderly victims do not necessarily have gerontophilia. There are other possible motivations for these offenses, such as rage or sadism, or the increased vulnerability of elderly as a social group,[6] which are factors that may not involve a sexual preference for the elderly. There are no studies showing that most such offenders are gerontophiles. In one small study, two of six sex offenders against the elderly showed gerontophilic tendencies.[7] Gerontophilia can also be expressed with consenting elderly partners in a legal context.[2][8] Research on gerontophilia is limited to a small number of case studies, beginning with a paper by French physician Charles Féré in 1905. Féré described a 27-year-old man who rejected an arranged marriage with a 20-year-old "beauty" in favor of a 62-year-old woman.[2] Such studies commonly report that the subject had an early sexual experience with a much older woman.[7]