Oura Ring's sleek alternative to a smartwatch just got £100 cheaper in rare sale

Now up to 30% off in what remains of the brand's Boxing Day sale, shoppers can get as much as £150 off. This includes the ...

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Mean and standard deviation or median and quartiles?

Stian Lydersen dr.ing. and professor of medical statistics at the Regional Centre for Child and Youth Mental Health and Child Welfare (RKBU Central Norway) at the Department of Mental Health, ...