According to a Survey Conducted 5 Years Ago, the Proportion

question 35

Multiple Choice

According to a survey conducted 5 years ago, the proportion of left-handed students at a university was 0.12. Has the proportion increased over the years? A random sample of 50 students was chosen, 9 of whom were left-handed. Use the output from the Shiny app "Randomization Test for One Proportion" to complete an appropriate hypothesis test. ​ ​ Interpret the obtained results, using a significance level of 0.1. ​

• A) There is convincing evidence that the proportion of left-handed students has decreased.
• B) There is convincing evidence that the proportion of left-handed students has increased.
• C) There is no convincing evidence that the proportion of left-handed students has increased.
• D) The proportion of left-handed students has certainly remained the same.
• E) The sample is too small to make a conclusion.

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Definitions:

Cultural Context

The environment or situation that surrounds and influences the way in which individuals communicate and interpret behavior.

Economic Context

The circumstances or environment in which economic activities occur, which can include factors like market conditions, economic policies, and the overall state of the economy.

Cluster

A collection of similar objects or individuals that are located or happen in close proximity.

Grapevines

A term often used to describe informal communication channels within an organization, allowing information to spread rapidly among employees in an unofficial manner.