This topic contains a solution. Click here to go to the answer

Author Question: Before premiering a blockbuster movie at a theater, test screenings are done beforehand. A small ... (Read 51 times)

SO00

  • Hero Member
  • *****
  • Posts: 568
Before premiering a blockbuster movie at a theater, test screenings are done beforehand. A small number of selected theaters are chosen geographically throughout the country.
 
  Each theater chosen is supposed to be representative of theatergoers in that area. Everyone is interviewed when the movie is over. Identify the type of sampling used in this example.
  A) Stratified sampling B) Systematic sampling
  C) Cluster sampling D) Attempted census

Question 2

A company which designs sports shoes has made an improvement to their popular running shoe. They hope that athletes wearing the new running shoe will be able to run faster over short distances.
 
  They will use a paired sample to determine whether the mean time to run 100 meters for sprinters wearing the new running shoe is less than the mean time to run the 100 meters for sprinters wearing the old running shoe. Identify the variable for the proposed hypothesis test.
  A) Type of sports shoe worn B) Type of athlete
  C) Distance run D) Time to run 100 meters



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

DHRUVSHAH

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

C

Answer to Question 2

D




SO00

  • Member
  • Posts: 568
Reply 2 on: Jul 25, 2018
Wow, this really help


raenoj

  • Member
  • Posts: 340
Reply 3 on: Yesterday
Excellent

 

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

For a complete list of videos, visit our video library