Patients with confirmed COVID-19 and 24h data Hammersmith Hospital General Adult Critical Care Unit (N=78) Demographics All critical care units (N=10,421) Age at admission (years) [N=78] Mean (SD) 57.2 (10.3) 58.8 (12.7) Median (IQR) 59 (50, 64) 60 (51, 68) Looking at the above summary statistics from July 2020 for patients with confirmed Covid-19 in adult critical care, answer the following questions: a. What is the sample size for patients with confirmed COVID 19 were in Adult Critical Care beds in the sample hospital (Hammersmith Hospital) b. What is the sample size for All critical care units for Patients with confirmed COVID19 c. Give a brief explanation of SD d. Give a brief explanation of IQR e. How old were the patients in General Adult Critical Care with confirmed COVID19 one SD below the mean at Hammersmith Hospital f. How old were the patients in General Adult Critical Care with confirmed COVID19 on the 25th centile at Hammersmith Hospital g. Calculate o².

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.