A Random Sample of Size 20 Taken from a Normally

question 130

Short Answer

A random sample of size 20 taken from a normally distributed population resulted in a sample variance of 32. The lower limit of a 90% confidence interval for the population variance would be: $\begin{array}{|l|l|}\hline\text { A. } & 52.185 . \\\hline \text { B. } & 20.375 . \\\hline \text { C. } & 20.170 . \\\hline \text { D. } & 54.931 . \\\hline\end{array}$

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Definitions:

Consumer Behaviour

The study of individuals, groups, or organizations and the processes they use to select, secure, use, and dispose of products, services, experiences, or ideas to satisfy needs and the impacts that these processes have on the consumer and society.

Point of Purchase

The location or moment at which a transaction occurs, often referring to retail environments where purchasing decisions are made.

Exchange Process

The act of giving one thing and receiving another in return, often used in the context of business transactions or trade.

Consumer Behaviour

Refers to the study of how individual customers, groups or organizations select, buy, use, and dispose ideas, goods, and services to satisfy their needs and wants.