Author Question: Find the 95 confidence interval for the difference in the mean costs of parking tickets in these two ... (Read 119 times)

lilldybug07

  • Hero Member
  • *****
  • Posts: 546
Find the 95 confidence interval for the difference in the mean costs of parking tickets in these two cities.
 
  A) 19.57  20.00
  B) 19.57  20.38
  C) 19.57  18.98
  D) 19.57  17.68

Question 2

In order for the chi-square test of independence to be valid, the expected frequency in each cell of the contingency table should be at least 1.
 
  Indicate whether the statement is true or false



Chelseyj.hasty

  • Sr. Member
  • ****
  • Posts: 319
Answer to Question 1

B

Answer to Question 2

FALSE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

For a complete list of videos, visit our video library