Using Studies Wisely

The fact that different random samples of the same size from the same population will result in different parameter estimates is called _______________.

• sampling variability

• sampling significance

• variable significance

• statistical inference

When results from a study are too unusual to be explained by chance alone, we say that the results of the study are _____________.

• variable

• parameters

• statistically significant

• informed

Tags

CCSS.7.SP.B.3

To make an inference about a population, the individuals taking part in the study must have been selected ________.

• on purpose

• with their backgrounds in mind

• without consent

• randomly

Tags

CCSS.RL.11-12.6

A(n) _______ is required in order to establish a cause and effect.

• well designed experiment

• large enough sample

• placebo

• population parameter

Tags

CCSS.HSS.IC.B.3

Increasing sample size reduces sampling variability.

• True

• False

• Sample size has no bearing on variability

Tags

CCSS.6.SP.A.2