Two Machines Are Being Considered to Weigh Luggage at an Airport.A

question 20

Essay

Two machines are being considered to weigh luggage at an airport.A standard 30 kg weight is used to test the machines.Sample weigh-ins were taken from each machine and the following results were obtained. $$\begin{array} { l c c } & \text { Machine 1 } & \text { Machine 2 } \\\hline \text { Sample size } & 25 & 36 \\\text { Sample mean } & 31.8 \mathrm {~kg} & 30.9 \mathrm {~kg} \\\text { Sample SD } & 2.2 \mathrm {~kg} & 1.98 \mathrm {~kg} \\\hline\end{array}$$ df = 48.
At the 0.02 level of significance,test the claim that the population mean for Machine 1 is different from the population mean for Machine 2.

---

Definitions:

Online Consumers

Individuals who purchase goods or services over the internet, utilizing digital platforms for shopping rather than traditional brick-and-mortar stores.

Visit Websites

The act of accessing and viewing content on web pages through a browser, usually for information or transaction purposes.

Subscription Commerce

A business model where customers pay a recurring price at regular intervals to access a product or service.

Recurring Schedule

A planned sequence of events or actions that repeat at regular intervals.