QUESTION 1 A researcher is interested in studying a sample population, and then applying the findings to the population. This is referred to as:

A. Statistical inference

B. Statistical implying

C. Statistical relevance

D. Statistical coding

QUESTION 2 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. Confidence statement

B. Functional inquiry

C. Confidence interval

D. Symmetrical computation

QUESTION 3 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.

A. Sample extent range

B. Sample size calculation

C. Sample requirement rate

D. Sample scope formula

QUESTION 4 A study concluded that musical ability is not associated with analytical ability when in fact there is a relationship. This mistake is called

A. Type I error

B. Statistically significant

C. Type II error

D. Multiple comparison correction

QUESTION 5 As a rule of thumb used by journals and research organizations, the most common significance level is typically __

. A. .25

B. .05

C. .50

D. .75

QUESTION 6 Professor Luigi wants to test whether two categorical variables are related from a cross-tabulation of data. She is likely to use a:

A. Mixed course test

B. Chi-square test

C. Criterion-subject test

D. Alpha-beta test

QUESTION 7 The null hypothesis is rejected when

A. The significance level is high

B. The p value is lower than cutoff point

C. The confidence level is low

D. The test statistic is low

QUESTION 8 In his research, Professor Perez collected estimates from several samples of the same size from the same population. In doing so, she is creating part of a:

A. Sampling schema

B. Sampling cohort

C. Sampling distribution

D. Sampling reference

QUESTION 9 A researcher must consider that confidence intervals only reflect some sources of error, and may not capture:

A. All other answers\All of the above

B. Nonresponse error

C. Measurement error

D. Causal inference error

QUESTION 10 ____ ____ means making conclusions about an unknown population parameter based on a sample estimate.

A. Statistical Inference

B. Sampling

C. Categorical Test

D. Population Analysis