What are the reasons of non-sampling errors? Some of the major reasons that lead to the non-sampling errors are: Inadequate data specification or data being inconsistent with the objective of survey or census. Inadequate methods of data collection. Duplication of a subject in the survey. Lack of trained investigators. Lack of supervision of primary staff. […]
Why soft iron is used for making the core of an electromagnet?
What CD4 stand for?
What CD4 stand for? In molecular biology, CD4 (cluster of differentiation 4) is a glycoprotein found on the surface of immune cells such as T helper cells, monocytes, macrophages, and dendritic cells. What is the normal CD4 count for a healthy person? A CD4 count is typically reported as a count of cells (expressed as […]
Do you weigh more on a full moon?
How can I represent relationships between two variables?
How can I represent relationships between two variables? Correlation Correlation analysis seeks to identify (by a single number) the degree to which there is a (linear) relation between the numbers in sets of data pairs. Regression analysis is used to determine if a relationship exists between two variables. 1)Generation of the regression line and equation […]
What is the biggest gland of the endocrine system?
What is the biggest gland of the endocrine system? Your pancreas (say: PAN-kree-us) is your largest endocrine gland and it’s found in your belly. The pancreas makes several hormones, including insulin (say: IN-suh-lin), which helps glucose (say: GLOO-kose), the sugar that’s in your blood, enter the cells of your body. What is the most common […]
How many universes are there in a multiverse?
How many universes are there in a multiverse? in up to 11 dimensions, featuring wonders beyond our wildest imagination. And the leading version of string theory predicts a multiverse made of up to 10 to the 500 universes. Does up and down exist in space? There is an up and down in space. “Down” is […]
What is the formula for oxygen?
What is the formula for oxygen? O₂ Is oxygen a mixture? *Note: pure oxygen gas consists of molecules but it is still considered an element, rather than a compound, as the molecules are made up of a single type of element….Pure Substances. Pure Substance Element or Compound? Consists of: Ammonia (NH3) compound ammonia molecules Is […]
How does shape affect diffusion?
How does shape affect diffusion? Diffusion is like going through a net or sieve. Smaller sizes and shapes pass through more easily than large ones. What is the relationship between cell size and diffusion? The surface-to-volume ratio of a sphere is 3/r; as the cell gets bigger, its surface-to-volume ratio decreases, making diffusion less efficient. […]
Is Class 9 syllabus reduced?
Is Class 9 syllabus reduced? CBSE syllabus for all subjects of class 9 has been reduced for the academic session 2020-2021. Check here the deleted portion of the syllabus of all major subjects of class 9. This deleted portion will not be included in the internal assessments and the year-end exams to be conducted in […]