Examlex
The density of white dwarf stars is about a million times that of the Sun.
Nonrandom Sampling
A sampling technique where the samples are gathered in a process that does not give all the individuals in the population equal chances of being selected.
Sampling Error
Sampling error is the discrepancy between a sample statistic and its corresponding population parameter, caused by selecting a sample rather than conducting a census.
Mean Income
The average amount of income received over a specific period of time, calculated by dividing the total income by the number of recipients.
Binomial Variable
Variable consisting of exactly two categories.
Q12: The helium flash is followed within a
Q13: The hypernova model is one possible explanation
Q14: Kepler relied heavily on the telescopic observations
Q58: The hypothesis is that the Earth does
Q66: If the collapsing star is over 25
Q68: Galileo found the rotation period of the
Q69: Most stars in our part of the
Q70: What made supernova 1987A so useful to
Q94: At what core temperature does hydrogen begin
Q118: Herschel's map of the Galaxy was too