Table of contents

1. Intro to Stats and Collecting Data55m
2. Describing Data with Tables and Graphs1h 55m
3. Describing Data Numerically1h 45m
4. Probability2h 16m
5. Binomial Distribution & Discrete Random Variables2h 33m
6. Normal Distribution and Continuous Random Variables1h 38m
7. Sampling Distributions & Confidence Intervals: Mean1h 53m
8. Sampling Distributions & Confidence Intervals: Proportion1h 12m
- Sampling Distribution of Sample Proportion
  29m
- Confidence Intervals for Population Proportion
  42m
9. Hypothesis Testing for One Sample2h 19m
10. Hypothesis Testing for Two Samples3h 22m
11. Correlation1h 6m
12. Regression1h 4m
13. Chi-Square Tests & Goodness of Fit1h 20m
14. ANOVA1h 0m

1. Intro to Stats and Collecting Data

Intro to Collecting Data

Statistics

1. Intro to Stats and Collecting Data

Intro to Collecting Data

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1:53 minutes

Problem 1.T.5b

Textbook Question

Determine whether the survey question is biased. If the question is biased, suggest a better wording.
Do you agree that the town’s ban on skateboarding in parks is unfair?

Verified step by step guidance

Identify whether the question is leading or biased. In this case, the phrase 'Do you agree that the town’s ban on skateboarding in parks is unfair?' is leading because it uses the word 'unfair,' which suggests a negative connotation and may influence the respondent's answer.

Understand that a biased question can lead to skewed survey results because it pushes respondents toward a particular answer rather than allowing them to form their own opinion.

To make the question unbiased, rephrase it in a neutral manner. For example, instead of using emotionally charged language, ask: 'What is your opinion on the town’s ban on skateboarding in parks?'

Ensure that the rephrased question allows for a range of responses, such as 'agree,' 'disagree,' or 'neutral,' to avoid forcing respondents into a specific viewpoint.

Review the revised question to confirm that it is free of any leading language or bias and that it encourages honest and unbiased responses from survey participants.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Survey Bias

Survey bias occurs when the wording of a question influences respondents' answers, leading to skewed results. This can happen if the question is leading, loaded, or assumes a particular viewpoint. Understanding survey bias is crucial for designing questions that elicit honest and unbiased responses.

Question Framing

Question framing refers to how a question is presented and the context in which it is asked. The way a question is framed can significantly affect how respondents interpret it and what answers they provide. Effective framing should be neutral and allow for a range of responses without suggesting a preferred answer.

Neutral Wording

Neutral wording in survey questions means using language that does not favor one side over another. This helps ensure that respondents feel comfortable expressing their true opinions. A well-worded question should avoid emotionally charged terms and provide a balanced view of the issue at hand.

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Related Practice

Textbook Question

Determine whether the survey question is biased. If the question is biased, suggest a better wording.

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Textbook Question

In Exercises 9 and 10, determine whether the study is an observational study or an experiment. Explain.

To study the effect of using digital devices in the classroom on exam performance, researchers divided 726 undergraduate students into three groups, including a group that was allowed to use digital devices, a group that had restricted access to tablets, and a control group that was “technologyfree.” (Source: Massachusetts Institute of Technology)

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Textbook Question

Determine whether the study is an observational study or an experiment. Explain.

Researchers conduct a study to determine whether cataract surgery patients experience different comfort levels during their first and second surgeries. Researchers based their results on a verbal questionnaire. (Source: Medicine)

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Textbook Question

Determine whether the survey question is biased. If the question is biased, suggest a better wording.

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Textbook Question

Identify the population and the sample. Describe the sample data set.

Eighty-three doctors working in the St. Louis area were surveyed concerning their opinions on health care reform.

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Textbook Question

Determine whether the study is an observational study or an experiment. Explain.

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Multiple Choice

A regional store manager wants to test whether increasing store hours increases profits, so they randomly select half of their locations to stay open an extra hour later in the evenings and compare profits between stores at the end of the month. They notice that stores open later saw higher profits on average. Is this an experiment or an observational study? Can they determine the extra hours caused the increase in sales?

A store surveys its target demographic and learns that 86% of people would purchase the product they’ve been heavily advertising. Is this an experiment or an observational study? Can they conclude their current advertising strategy caused the high percentage of interest?

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Determine whether the survey question is biased. If the question is biased, suggest a better wording.Do you agree that the town’s ban on skateboarding in parks is unfair?

Key Concepts

Survey Bias

Question Framing

Neutral Wording

Watch next

Determine whether the survey question is biased. If the question is biased, suggest a better wording.
Do you agree that the town’s ban on skateboarding in parks is unfair?