Questions from Statistics Principles

Q: To obtain students’ opinions about proposed changes to course registration procedures,

To obtain students’ opinions about proposed changes to course registration procedures, the administration of a small college asked for faculty volunteers who were willing to administer a survey in one...

Q: Relative to other nations, how do fourth-graders in the

Relative to other nations, how do fourth-graders in the United States rank in terms of reading and math ability? Are they in the bottom 50% or in the top 50%? In a survey of 700 randomly sampled regis...

Q: A random sample of 1003 adult Americans was asked, “Do

A random sample of 1003 adult Americans was asked, “Do you pretty much think televisions are a necessity or a luxury you could do without?” Of the 1003 adults surveyed, 521 indicated that televisions...

Q: In a USA Today/Gallup poll, 768 of 1024 randomly

In a USA Today/Gallup poll, 768 of 1024 randomly selected adult Americans aged 18 or older stated that a candidate’s positions on the issue of family values are extremely or very important in determin...

Q: Low levels of testosterone in adult males may be treated using AndroGel

Low levels of testosterone in adult males may be treated using AndroGel 1.62%. In clinical studies of 234 adult males who were being treated with AndroGel 1.62%, it was found that 26 saw their prostat...

Q: In a survey of 700 community college students, 481 indicated that

In a survey of 700 community college students, 481 indicated that they have read a book for personal enjoyment during the school year (based on data from the Community College Survey of Student Engage...

Q: In a survey conducted by the marketing agency 11mark, 241 of

In a survey conducted by the marketing agency 11mark, 241 of 1000 adults 19 years of age or older confessed to bringing and using their cell phone every trip to the bathroom (confessions included text...

Q: The Sullivan Statistics Survey I asks, “Would you be willing

The Sullivan Statistics Survey I asks, “Would you be willing to pay higher taxes if the tax revenue went directly toward deficit reduction?” Treat the survey respondents as a random sample of adult Am...

Q: The data set “Tornadoes_2017” located at www.

The data set “Tornadoes_2017” located at www.pearsonhighered.com/ sullivanstats contains a variety of variables that were measured for all tornadoes in the United States in 2017. (a) The F scale is us...

Q: Go to www.pearsonhighered.com/ sullivanstats to obtain the

Go to www.pearsonhighered.com/ sullivanstats to obtain the data file 9_1_34 using the file format of your choice for the version of the text you are using. The data represent the daily (for example, M...