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 1495 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?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Relationship of the spindle-assembly checkpoint (SAC) with the cell-cycle machinery Relationship of the spindle-assembly checkpoint (SAC) with the cell-cycle machinery
Alternative forms of surgeries involving the uterus, ovaries, and fallopian tubes. The solid lines i Alternative forms of surgeries involving the uterus, ovaries, and fallopian tubes. The solid lines i
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 ...
A rod/piston assembly from a 5.9 liter Cummins diesel engine used in a Dodge pickup truck. A rod/piston assembly from a 5.9 liter Cummins diesel engine used in a Dodge pickup truck.
Sample prescriptions of drugs for oral fungal infections. Sample prescriptions of drugs for oral fungal infections.
A representative karyotype and a photograph of a child A representative karyotype and a photograph of a child
Video: Simple and Double Sugar

For a complete list of videos, visit our video library