Statistics in Science | Process of Science | Quiz

Statistics in scientific research relate to uncertainty in which of the following ways?

Statistics are used to eliminate uncertainty.

Statistics are used to measure uncertainty.

Statistics are used to increase uncertainty.

Statistics do not relate to uncertainty.
What are three concepts that Ronald Fisher introduced into research design?

experimentation, comparison, and modeling

mean, median, and standard deviation

comparison, standard deviation, and randomization

controls, randomization, and replication
Statistics provide a measure of proof of whether something is true.

true

false
The concept of randomization is best described as

the assignment of controls or treatments to minimize confounding variables.

the assignment of controls or treatments completely at random.

the random sampling of research data across different types of experiments.

the random assignment of researchers to projects to assure no personal bias in scientific research.
Descriptive statistics

are used to sum up major attributes of a dataset.

are used to model patterns in data or make judgments about data.

are used to draw conclusions that are absolute.

are used to provide a measurement of proof.
Inferential statistics

are used to sum up major attributes of a dataset.

are used to model patterns in data or make judgments about data.

are used to draw conclusions that are absolute.

are used to provide a measurement of proof.
If a scientific conclusion is shown to be "statistically significant," it means that

it is a very important conclusion.

the conclusion is definitely correct.

there is a high probability that the conclusion is due to a random association.

there is a low probability that the conclusion is due to a random association.