Exam 9: Making Sense of Inferential Statistics

*The null hypothesis is rejected when

A study concluded that musical ability is not associated with analytical ability when in fact there is a relationship .This mistake is called

Statistical power is defined as

A researcher is interested in studying a sample population, and then applying the findings to the population .This is referred to as:

An agency analyst is presenting her findings at a conference, and someone from the audience asks her how well she is able to tell if the null hypothesis of her study is false? The analyst recognizes the ability to recognize that the null is false is referred to as:

An agency analyst is working on a project where she uses various computer-intensive procedures for simulating a sampling distribution by repeatedly resampling from the original sample itself .She is performing a procedure known as:

With resource and time constraints, Professor Martinez wants to sample a portion of a population .In order to determine how big a sample, he computes the __________ to achieve the level of precision desireD.

When the researcher starts with a guess or prior probability about the cause of an event, he/she is using:

Professor Chen is trying to estimate the true parameter from the sample she is using, in order to make inferences to the population .She wants to be 95% confident of her estimate .Professor Chen is calculating a:

A researcher must consider that confidence intervals only reflect some sources of error, and may not capture:

Professor Luigi wants to test whether two categorical variables are related from a cross-tabulation of datA .He is likely to use a:

In his research, Professor Smith collected estimates from several samples of the same size from the same population .In doing so, he is creating part of a:

As a rule of thumb used by journals and research organizations, the most common significance level is typically __.