Show that students who study more hours receive higher grade

Suppose studies show that students who study more hours receive higher grades.  Is there any relationship which guarantees that any particular student who studies longer will get higher grades?

E

Expert

Verified

No, not necessarily, because cause and effect are not clear.  The observed relationship could largely reflect the fact that smarter students study more hours than do less able students.  A less talented student therefore may not get better grades by studying longer where as the extent suggested by the graph at least.

   Related Questions in Business Economics

  • Q : Need of the Economic Efficiency

    Economic efficiency for society needs which the: (i) opportunity costs of all goods be at their lowest possible values. (ii) maximum probable benefits are acquired for given costs. (iii) greatest possible net benefits are squeezed through available re

  • Q : Elucidate redistribution of income

    Elucidate redistribution of income?

  • Q : Competition among buyers and sellers is

    Illustrate Competition among buyers and sellers is a controlling mechanism?

  • Q : Society material wants are scarce

    Explain the foundation of economics where society’s material wants are scarce resources?

  • Q : Decreases in opportunity costs of

    The opportunity costs of production and consumption for most resources and goods tend to be decreased by: (w) private monopoly power. (x) price floors. (y) intense competition. (z) price ceilings. Hey friends pleas

  • Q : Rivalry for various types of resources

    Intermediaries ultimately prosper only when they give a service of decreasing: (1) demand for a good (2) prices paid to manufacturers of a good. (3) transaction costs. (4) rivalry for various types of resources. (5) cut-throat competition into markets

  • Q : Principle of comparative advantage When

    When Gene can make three pairs of cowboy boots per week or one saddle whereas Roy can make either two pairs of boots or two saddles, Gene will form boots whereas Roy makes saddles according to the: (i) Law of Occam’s Razor. (ii) Principle of comparative advantag

  • Q : How can we compute operating leverage

    How can we compute operating leverage?

  • Q : Economic sense production methods

    Evaluate and explain the statements: “In the economic sense production methods are the most efficient methods, once resource prices are considered and are lesser in sense of engineering”.

  • Q : Reducing output of other good When the

    When the production possibilities frontier in a proficient economy is not growing, raising the output of one good always needs: (i) Increasing the output price for the other good. (ii) Bigger amounts of resources. (iii) Decreasing the output of other

©TutorsGlobe All rights reserved 2022-2023.