I Two Examples of a Hypothesis Are: 1) Mean Monthly

question 37

Multiple Choice

i. Two examples of a hypothesis are: 1) mean monthly income from all sources for senior citizens is $841 and
2) twenty percent of juvenile offenders ultimately are caught and sentenced to prison.
ii. Since there is more variability in sample means computed from smaller samples, we have more confidence in the resulting estimates and are less apt to reject null hypothesis.
iii. The test statistic for a problem where the population standard deviation is unknown is the Student's t distribution.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) is a correct statement but not (ii) or (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (i) and (ii) are correct statements but not (iii).
• E) (i), (ii), and (iii) are all false statements.

---

Definitions:

Frequency

The rate at which something occurs over a particular period of time or in a given sample.

Deming Approach

A continuous quality improvement model consisting of a logical sequence of four key stages: Plan, Do, Check, Act (PDCA).

Profound Knowledge

Deep understanding and insight into the complexities and interdependencies in fields or areas of study.

Fishbone Diagram

A visual tool used for identifying and analyzing the causes of problems or defects, structured in a way that resembles the skeleton of a fish.