Chapter 3, Section 2 Flashcardizz

Front

What is a sample in statistics?

Back

A sample is a subset of a population used to represent the entire group.

Front

What is a population in statistics?

Back

A population includes all members of a specified group.

Front

How do you predict a population based on a sample?

Back

You can use the ratio of the sample to the population to estimate the total.

Front

What is the formula to predict the number of students favoring a sport?

Back

(Number of students favoring the sport in the sample / Total students in the sample) * Total students in the population.

Front

What is the importance of random sampling?

Back

Random sampling ensures that every member of the population has an equal chance of being selected, making the sample more representative.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numerical values.

Front

What is a biased sample?

Back

A biased sample is one that does not accurately represent the population, leading to skewed results.

Front

How can you determine if a sample is representative?

Back

A sample is representative if it reflects the characteristics of the population from which it is drawn.

Front

What is the significance of sample size?

Back

A larger sample size generally leads to more accurate and reliable results.

Front

What is the concept of proportion in statistics?

Back

Proportion is a part of a whole, expressed as a fraction or percentage.