You Want to Compare a Sample Average to a Population

question 28

Multiple Choice

You want to compare a sample average to a population average.The sample population size is 130.The data table is shown below. $$\begin{array} { l c c } \hline & \text { Test Commercial } & \begin{array} { c } \text { Population of } \\\text { Commercials }\end{array} \\\hline \text { Average purchase intent } & 3.9 & 3.1 \\\text { Standard deviation } & ? & ? \\\text { Sample size } & ? & ? \\\hline\end{array}$$ How many of the question marks represent required pieces of data?

• A)1
• B)2
• C)3
• D)4

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Definitions:

Due Date

The specified date by which a task, assignment, or payment should be completed or submitted.

Complement Rate

A measure used in calculations where it, along with another specified rate, sums up to a predetermined total, serving as a critical component in various analytical processes.

Cash Discount

A reduction in the invoice amount by the seller, offered to the buyer for early payment.

Invoice Date

The date on which an invoice is issued, indicating when a transaction occurred.