This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A factory has 20 assembly lines producing a popular toy. To inspect a representative sample of 100 ... (Read 850 times)

frankwu

  • Hero Member
  • *****
  • Posts: 549
on: Jul 24, 2018
A factory has 20 assembly lines producing a popular toy. To inspect a representative sample of 100 toys, quality control staff randomly selected 5 toys from each line's output. Was this a simple random sample?
 
  A) Yes, because each toy produced had an equal chance to be selected.
  B) Yes, because a stratified sample is a type of simple random sample.
  C) Yes, because the toys were selected at random.
  D) No, because not all combinations of 100 toys could have been chosen.
  E) No, because toys do not come off the assembly line at random.

Question 2

If we wish to compare the average PSAT scores of boys and girls taking AP Statistics at a high school, which would be the best way to gather these data?
 
  A) observational study
  B) SRS
  C) experiment
  D) stratified sample
  E) census
Stats: Modeling the World ¦ Bock, Velleman, De Veaux ¦ 4th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

triiciiaa

  • Sr. Member
  • ****
  • Posts: 349
Reply #1 on: Jul 24, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


frankwu

  • Hero Member
  • *****
  • Posts: 549
Reply #2 on: Jul 24, 2018
Thanks


triiciiaa

  • Sr. Member
  • ****
  • Posts: 349
Reply #3 on: Jul 24, 2018
Welcome :)


Sofie Silver

  • Newbie
  • *
  • Posts: 1
Reply #4 on: Feb 29, 2024
thank you


« previous next »
 

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Imaginary Thoracic Lines, Right Lateral View Imaginary Thoracic Lines, Right Lateral View
A noose hanging from a “Liberty Tree” reveals this artist’s bias: The “tar-and-feathering” of a Brit A noose hanging from a “Liberty Tree” reveals this artist’s bias: The “tar-and-feathering” of a Brit
Kitagawa Utamaro, Utamaro's Studio, Eshi . . . dosa-hiki (the three primary steps in producing ... Kitagawa Utamaro, Utamaro's Studio, Eshi . . . dosa-hiki (the three primary steps in producing ...
Two wells are filled with different antigens and when they diffuse, they form lines that cross which ... Two wells are filled with different antigens and when they diffuse, they form lines that cross which ...
A 2.000 g sample of water contains 11.19% H by mass and 88.81% O by mass. What mass of H will ... A 2.000 g sample of water contains 11.19% H by mass and 88.81% O by mass. What mass of H will ...
Representative pedigrees for two characteristics, each followed through three generations Representative pedigrees for two characteristics, each followed through three generations
Video: Mitochondrial Structure & ETC Protein Complexes (Protein Complexes and Electron Transport)

For a complete list of videos, visit our video library