Although several companies developed tablets throughout the 1990s and 2000s, the tablet computer only became mainstream after Apple introduced the iPad in 2010. Later that year, Samsung released the Galaxy Tab, the first tablet to run Google's Android operating system. Like the iPad, Android tablets can run millions of different apps, making tablets a portable option for both work and play.
RESEARCH QUESTIONS The null hypothesis represents a theory that has been put forward, either because it is believed to be true or because it is to be used as a basis for argument, but has not been proved. Has serious outcome if incorrect decision is made! The alternative hypothesisis a statement of what a hypothesis test is set up to establish.
The null hypothesis. All statistical tests involve testing a null hypothesis against an alternative hypothesis. These two terms have specialised meanings, and are not the same as your research question or hypothesis. The null hypothesis and alternative hypothesis can be constructed from the research hypothesis.his section summarises the ways in which the different statistcial tests can be used in Geography. For more information on the different statistical tests, see The Seashore. For more information an excellent source developed in FSC Field Centres is Statistics for Geographers.