Front

What is a population prediction?

Back

A population prediction is an estimate of the number of individuals in a specific group or area at a future time, based on current data and trends.

Front

How do you calculate a proportion from a survey?

Back

To calculate a proportion, divide the number of individuals who responded in a certain way by the total number of individuals surveyed.

Front

If 4 out of 10 students like a certain activity, how do you find out how many like it in a larger group?

Back

Multiply the proportion (4/10) by the total number of students in the larger group.

Front

What is a sample in statistics?

Back

A sample is a subset of individuals selected from a larger population used to estimate characteristics of the whole population.

Front

What is the difference between a biased sample and an unbiased sample?

Back

A biased sample does not accurately represent the population, while an unbiased sample is randomly selected and reflects the population's characteristics.

Front

How do you make a reasonable prediction based on survey results?

Back

Use the proportion of responses from the sample to estimate the number of responses in the larger population.

Front

What is the formula to find the total number of individuals based on a sample proportion?

Back

Total = (Sample Proportion) x (Total Population Size) / (Sample Size)

Front

If 45 out of 100 subscribers watch more than 10 hours of shows per week, how many out of 2500 would watch more than 10 hours?

Back

1125 subscribers would watch more than 10 hours per week.

Front

What is a survey?

Back

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

Front

How do you interpret survey results?

Back

Analyze the data to understand trends, preferences, or behaviors within the surveyed population.