Sally Has Been Running the Following Number of Ads in the Local

question 18

Essay

Sally has been running the following number of ads in the local newspaper to help attract customers into her store. She has also been keeping track of customers who have come into the store as a result of the ads, as well as the amount of money they spend.
This is the data from the last 4 weeks:
$$\begin{array} { c c } \text { Number of ads } & \text { Increased sales } \\\hline 16 & 330 \\12 & 270 \\18 & 380 \\14 & 300 \\\hline\end{array}$$
-If Sally runs 10 ads, how much will sales increase?

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Definitions:

Random Sample

A sample drawn in such a way that each member of the population has an equal chance of being selected, ensuring that the sample represents the population as a whole.

Large Animals

Refers to animals of considerable size, often categorized based on weight and height, commonly including species such as elephants, giraffes, and whales.

Margin of Error

Margin of error is a statistic expressing the amount of random sampling error in a survey's results, indicating a confidence interval within which the true population parameter is likely to lie.

Large Animals

Typically refers to animals of significant size, often considered in contexts such as veterinary science, agriculture, or wildlife studies.