« previous next »

Author Question: A pollster obtains a sample of students and asks them how they will vote on an upcoming referendum. ... (Read 82 times)

AEWBW

  • Hero Member
  • *****
  • Posts: 579
on: Jul 24, 2018
A pollster obtains a sample of students and asks them how they will vote on an upcoming referendum.
 
  A) observational study B) experiment

Question 2

Find the t-value such that the area in the right tail is 0.005 with 28 degrees of freedom.
 
  A) 2.763 B) 1.701 C) -2.763 D) 2.771


Leostella20

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

AEWBW

  • Hero Member
  • *****
  • Posts: 579
Reply #2 on: Jul 24, 2018
Both answers were spot on, thank you once again


Leostella20

  • Sr. Member
  • ****
  • Posts: 337
Reply #3 on: Jul 24, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Sample of an informed consent to perform an operation, sedation, anesthesia, and other medical servi Sample of an informed consent to perform an operation, sedation, anesthesia, and other medical servi
Sample Program for Changing Daily Caloric Intake (cont.) Sample Program for Changing Daily Caloric Intake (cont.)
A Tough Economy ...for students A Tough Economy ...for students
(left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur (left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur
What is the estimated age of the archaeological sample What is the estimated age of the archaeological sample
Sample Size Affects Sampling Error Sample Size Affects Sampling Error
Video: Optic Nerve and Optic Disk Animation (Part 2 of 2)

For a complete list of videos, visit our video library