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More Lessons for High School Regents Exam

Math Worksheets

High School Math based on the topics required for the Regents Exam conducted by NYSED.

**Bias data**

Examples of bias in surveys

Example:

1. David hosts a podcast and he is curious how much his listeners like his show. He decides to atart an online poll. He asks his listeners to visit his website and participate in the poll.

The poll shows that 89% of about 200 respondents "love" his show.

What is the most concerning source of bias in this scenario?

Response bias

Undercoverage

Voluntary response sampling

2. David hosts a podcast and he is curious how much his listeners like his show. He decides to poll the next 100 listeners who send him fan mails.

They don't all respond, but 94 of the 97 listeners polled said they "loved" his show.

What is the most concerning source of bias in this scenario?

Convenience sampling

Nonresponse

Voluntary response sampling

**Sources of bias: How data goes bad**

Sources of systematic bias through inadequacies in the measurement, classification and selection processes that produced the dataset, and the need to distinguish between facts and artefacts.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

More Lessons for High School Regents Exam

Math Worksheets

High School Math based on the topics required for the Regents Exam conducted by NYSED.

Examples of bias in surveys

Example:

1. David hosts a podcast and he is curious how much his listeners like his show. He decides to atart an online poll. He asks his listeners to visit his website and participate in the poll.

The poll shows that 89% of about 200 respondents "love" his show.

What is the most concerning source of bias in this scenario?

Response bias

Undercoverage

Voluntary response sampling

2. David hosts a podcast and he is curious how much his listeners like his show. He decides to poll the next 100 listeners who send him fan mails.

They don't all respond, but 94 of the 97 listeners polled said they "loved" his show.

What is the most concerning source of bias in this scenario?

Convenience sampling

Nonresponse

Voluntary response sampling

Sources of systematic bias through inadequacies in the measurement, classification and selection processes that produced the dataset, and the need to distinguish between facts and artefacts.

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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