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 3515 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?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

A sample encounter form. A sample encounter form.
Popular Herbal Supplements Popular Herbal Supplements
Sample prescriptions of antibiotics for dental infections. Sample prescriptions of antibiotics for dental infections.
Sample prescriptions of antibiotics for prophylaxis against infective endocarditis. Sample prescriptions of antibiotics for prophylaxis against infective endocarditis.
Distinguishing Among Popular Diets Distinguishing Among Popular Diets
Sample lod score curves Sample lod score curves
Video: Magnetic resonance imaging (MRI)

For a complete list of videos, visit our video library