6.4B

Front

What is a survey?

Back

A survey is a method of collecting data by asking people questions to gather information about their preferences, opinions, or behaviors.

Front

How do you calculate the expected number of students choosing a particular option in a survey?

Back

To calculate the expected number of students, multiply the total number of students by the percentage of students who chose that option.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another.

Front

How do you find the total amount of a mixture based on a ratio?

Back

To find the total amount of a mixture, add the parts of the ratio together and then use that sum to determine the amount of each component.

Front

What is the formula for calculating the total earnings based on hours worked?

Back

Total Earnings = Hourly Rate x Hours Worked.

Front

How do you determine the rate of change in a situation?

Back

The rate of change is determined by dividing the change in quantity by the change in time.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit of another quantity.

Front

How do you solve a problem involving proportions?

Back

To solve a proportion, set up a ratio and cross-multiply to find the unknown value.

Front

What is the significance of understanding averages in data interpretation?

Back

Understanding averages helps summarize data and provides a central value that represents a set of numbers.

Front

How do you convert gallons to cups?

Back

To convert gallons to cups, multiply the number of gallons by 16 (since 1 gallon = 16 cups).