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A doula (left) applying pressure to a pregnant woman during labor. A doula (/ ˈ d uː l ə /; from Ancient Greek δούλα 'female slave'; Greek pronunciation:) is a non-medical professional who provides guidance for the service of others and who supports another person (the doula's client) through a significant health-related experience, such as childbirth, miscarriage, induced abortion or ...
A frequency distribution shows a summarized grouping of data divided into mutually exclusive classes and the number of occurrences in a class. It is a way of showing unorganized data notably to show results of an election, income of people for a certain region, sales of a product within a certain period, student loan amounts of graduates, etc.
She learned the word "doula" from a woman in Greece who told her that it means female slave and Raphael thought the word slave fitted the role of a woman who helps a nursing mother by taking on other work in the home; Raphael then used the term in her 1966 dissertation on cross-cultural practices of breast-feeding [6] before making the term ...
To certify as a doula, an in-person, virtual, or hybrid workshop is mandatory, along with supplementary text reading, lactation training and childbirth education, and clients experience. [11] The workshop is taught by approved trainers who are able to the required coursework which includes emotional support, physical support or comfort measures ...
Statistics educators have cognitive and noncognitive goals for students. For example, former American Statistical Association (ASA) President Katherine Wallman defined statistical literacy as including the cognitive abilities of understanding and critically evaluating statistical results as well as appreciating the contributions statistical thinking can make.
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Given an r-sample statistic, one can create an n-sample statistic by something similar to bootstrapping (taking the average of the statistic over all subsamples of size r). This procedure is known to have certain good properties and the result is a U-statistic. The sample mean and sample variance are of this form, for r = 1 and r = 2.
In 2022, the WHO reported that the US had the highest maternal death rate of any developed nation while other nations continued to experience declines. The death rate of black women has also continued to climb with a 2020 CDC report showing the maternal death rate at 55.3 deaths per 100,000 live births – 2.9 times the rate for white women ...