A Researcher Wishes to Determine If There Is a Relationship

question 17

Multiple Choice

A researcher wishes to determine if there is a relationship between the age of working individuals and the amount of coffee consumed.The following data were obtained for the number of cups of coffee
Consumed per day: Choose the best option from the choices below:

• A)A z-test statistic could be used to test the null hypothesis.
• B)A chi-square test statistic could be used to test the null hypothesis.
• C)Either a z-test or a chi-square test could be used to test the null hypothesis.
• D)A t-test statistic could be used to test the null hypothesis.

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Definitions:

Bar Chart

A graphical display of data using bars of different heights or lengths to represent values of different categories.

Interval Data

Data measured along a scale, where each point is placed at an equal distance from one another, allowing for operations like addition and subtraction.

Pie Charts

A circular statistical graphic divided into slices to illustrate numerical proportion, with the size of each slice proportional to the quantity it represents.

Bar Charts

A type of graphical display used to represent categorical data with rectangular bars of lengths proportional to the values they represent.