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🎯Calculation of mean, median and mode (measures of central tendency)🎯 🔹Mean ▪️It is the average of all the values ▪️Most commonly used🌟 Eg : 🔺The Hb values of 6 patients(in gm/dl) are 8, 9, 11, 10, 13, 9. Calculate mean. ▪️Mean = sum of all the values / number of values = (8 + 9 + 11+ 10 + 13 + 9)/6 = 60/6 = 10gm/dl 🔹Median ▪️Central value after arranging in ascen...
Calculation of mean, median and mode (measures of central tendency)
Mar 02, 2021
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⬅️Skewed distribution➡️ 🔹Occurs due to outliers 🔹Outlier - Observation or value that is very distant from other observations in the distribution. 🔺Left skewed or negatively skewed 🔹If the outlier is smaller than other observations, causes left skewed or negatively skewed data. 🔹 For example Marks scored by 5 students are 95, 94, 93, 94, 26 🔹In left skewed --> mean <...
Skewed distribution
Mar 02, 2021
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1.Dalrymples sign: retraction of upperlids. 2.Von graefes sign: Lid lag - when the globe is moved downward,the upper lid lags behind. 3.Griffith sign: Lower lid lag on upward haze. 4:Enroth sign: Fullness of the eyelids. 5.stellwags sign: Infrequent blinking . 6.Gifford sign: Difficulty in eversion of upper eyelid. 7.mobius sign: Convergence weakness. 8.joffroy sign: Lack of winking of forehead on...
SIGNS IN GRAVES OPHTALMOPATHY
Feb 21, 2021
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