South African Teachers
Z-tests are significantly different when the population standard deviations are known and the sample sizes are large: A z-test is a statistical test used to compare two population means and determine whether they are significantly different from each other. It is typically applied when the population standard deviations are known, and the sample sizes are … Read more
a fertilized egg cell formed by the fusion of a sperm and an egg during sexual reproduction: A zygote is a cell that results from the fusion or union of a sperm cell from the male parent and an egg cell from the female parent during sexual reproduction. It represents the earliest stage of development … Read more
a quadrilateral with only one pair of opposite sides parallel: A trapezium, also known as a trapezoid, is a quadrilateral with one pair of opposite sides that are parallel. The other two sides are not parallel and may have different lengths.
the difference between what a learner can do independently and what they can achieve with guidance and support from a more knowledgeable person: The zone of proximal development (ZPD) is a concept developed by psychologist Lev Vygotsky. It refers to the difference or gap between a learner’s current level of independent functioning or problem-solving abilities … Read more
a polygon with three sides: A triangle is a polygon with three sides or line segments and three angles. It is the simplest polygon and the building block for more complex geometric shapes.