Define the standard deviation (2 score) classification, Biology

Assignment Help:

Define the Standard Deviation (2 score) classification?

Statistics teaches us that when normal values of any variable are distributed as per their frequency of occurrence, they follow normal distribution encompassing values within two standard deviations (SD), of mean/median (Average). On this premise, all the children with weights less than median -2SD of normal weight for age (NCHS standards) are considered as suffering from under nutrition. The following criteria given in Table are used to classify children into various degree of under nutrition based on mean/median and SD.

 Table: SD classification for weight for age

1248_Standard Deviation (2 score) classification.png

You have learnt about different forms of PEM. You must be now wondering how common the occurrence of PEM in our communities is. I.e. what is the prevalence of the problem?


Related Discussions:- Define the standard deviation (2 score) classification

Methods of solid waste disposal, Commonly adapted different disposal method...

Commonly adapted different disposal methods by the municipal corporations are: (a)   Open dumping (b)   Land filling (c)    Sanitary land filling pyrolysis (d)   Incine

Define vitamin requirements for preterm and low birth weight, Define Vitami...

Define Vitamin and Mineral requirements for preterm and low birth weight? Care to be taken for calcium and phosphorus intake in preterm infant. Due to inefficient sodium conser

Describe class agnatha in details, Describe Class Agnatha in details? C...

Describe Class Agnatha in details? Class Agnatha takes its name from the Greek word "gnathos," which means jaw, and "a," which is the prefix for "without." These jawless fishes

Biological species concept, The biologicaI species concept claims that spec...

The biologicaI species concept claims that species consist of natural populations and that species are real and objective. They are not man-made subjective abstraction. According

Types of nitrogen wastes excreted by living beings, Q What are the three ma...

Q What are the three major types of nitrogen wastes excreted by living beings? The main nitrogen wastes excreted by living beings are ammonia, urea and uric acid. Living beings

Explain preparation and properties of modified starches, Preparation and pr...

Preparation and properties of modified starches Improved performance of starches may  be realized by physical and chemical modifications. The major physically modified starch i

Leishmanias – flagellates, Leishmanias – Flagellates Species of the ge...

Leishmanias – Flagellates Species of the genus Leishmania are parasites of mammals including man. Leishmanias infections occur over wide regions of the world from Asia, the ne

Explain ganciclovir, Ganciclovir  (Cytovene) IV ganciclovir is approved...

Ganciclovir  (Cytovene) IV ganciclovir is approved for both induction and maintenance treatment of cytomegalovirus (CMV) retinitis in immunocompromised patients and for prevent

Deficiency diseases-predisposing factors, Predisposing factors The inc...

Predisposing factors The incidence of metabolic diseases in cows and buffaloes increases as the milk production increases and the herd size becomes larger. The highest inciden

Define precautions for acid fast staining, Define Precautions for Acid Fast...

Define Precautions for Acid Fast Staining? 1. Do not allow carbol fuchsin to dry on heating. 2. Maintain aseptic conditions. 3. Decolourization should be done till no red

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd