In an Effort to Estimate the Proportion of Female Shoppers $0.629 \mp 0.072$

question 126

Multiple Choice

In an effort to estimate the proportion of female shoppers at a particular store,175 customers were randomly selected,of which 110 were female.Which of the following would represent a 90% confidence interval around this sample proportion?

• A)\(0.629 \mp 0.072\)
• B)\(110 \mp 1.64\)
• C)\(0.629 \mp 0.036\)
• D)\(0.629 \mp 1.64\)
• E)\(0.629 \mp 0.060\)

Understand the philosophy and tools of Total Quality Management (TQM).

Identify key figures and their contributions to quality improvement, such as Deming.

Recognize and apply the PDCA cycle in continuous improvement processes.

Differentiate between various TQM tools and their applications in problem-solving.

---

Definitions:

Contingency Table

A statistical table that displays the frequency distribution of variables to analyze the relationship between them.

Demonstrating Causality

The process of proving a cause-and-effect relationship between two variables, showing how one directly influences the other.

Spurious Association

A relationship between two variables that appears causal but is actually due to the effect of some external or intervening variable.

Non-Spuriousness Test

A method in statistical analysis to determine if a relationship between two variables is genuine and not due to the influence of some other variable.