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Questions and Answers

Which statistical method is commonly used to organize data after it has been gathered?

Correlation coefficient

Experimental research

Inferential statistics

Descriptive statistics (correct)

Ian believes that humans use only 10 percent of their brain. What should Ian do to confirm or disconfirm this information?

Make sure that he shares this valuable information with others

Conduct his own study on this to confirm the information

Use critical thinking when presented with such round, undocumented numbers (correct)

Try to find the source of the information so that he can quote it when sharing the information with others

What should Professor Stevenson do if he notices that the distribution of scores is lopsided due to a few extreme scores?

Use descriptive statistics to summarize the data (correct)

Conduct further experiments to gather more data

Ignore the extreme scores and focus on the majority of the data

Apply inferential statistics to analyze the data

Which of the following is not a statistical method used to organize data?

Experimental research Signup and view all the answers

What is the main purpose of conducting inferential statistics?

To make predictions or inferences about a population based on a sample Signup and view all the answers

According to the text, why do many people believe the commonly accepted idea that roaches could survive a nuclear bomb?

Availability of powerful examples Signup and view all the answers

In the given scenario, why does Shannon persistently believe that social programs drain the economy, despite being shown specific information about the state of the nation's economy?

Both her emotions and personal beliefs Signup and view all the answers

What is anything that can vary and is feasible and ethical to measure called?

Variable Signup and view all the answers

According to the text, when are differences between two sample averages most likely to be statistically significant?

The sample means are larger than the sample medians Signup and view all the answers

Which of the following is NOT a reason mentioned in the text for why so many people believe the commonly accepted idea that roaches could survive a nuclear bomb?

Group identity Signup and view all the answers