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 1635 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?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Representative nervous systems throughout the animal kingdom. Representative nervous systems throughout the animal kingdom.
‘Feedback’ pathways in the spindle-assembly checkpoint (SAC) network ‘Feedback’ pathways in the spindle-assembly checkpoint (SAC) network
Balmer Lines in the Spectrum of a Star Balmer Lines in the Spectrum of a Star
Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ... Sample Diet for a College-Aged Female Weighing 132 Pounds, Assuming Light to Moderate Daily ...
Sample Checklist of Opening and Closing Duties Sample Checklist of Opening and Closing Duties
How Many Triangles Can You Make Using the Letter M and 3 Straight Lines? How Many Triangles Can You Make Using the Letter M and 3 Straight Lines?
Video: Baroreceptor Reflex

For a complete list of videos, visit our video library