« previous next »

Author Question: Suppose that you are conducting a study on the effectiveness of a new teaching method and that you ... (Read 80 times)

debasdf

  • Hero Member
  • *****
  • Posts: 570
on: Aug 2, 2018
Suppose that you are conducting a study on the effectiveness of a new teaching method and that you wish to use a hypothesis test to support your claim regarding the mean test score under this method.
 
  What restrictions are there in the wording of the claim? Will your claim become the null hypothesis or the alternative hypothesis, or does it depend on the situation? Give an example of a claim which is incorrectly worded.

Question 2

A meteorologist records the number of clear days in a given year in each of 21 different U.S. cities. The results are shown below. Find the midrange.
 
  72 143 52 84 100 98 101
  120 99 121 86 60 59 71
  125 130 104 74 83 55 169
  A) 98 B) 110.5 C) 112 D) 117


Mollythedog

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Aug 2, 2018
Answer to Question 1

Saved me massive time.

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

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.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Model organisms used to study the genetics of development Model organisms used to study the genetics of development
If sociologists were to study land diving on Pentecost Island in Vanuatu, they could use a variety ... If sociologists were to study land diving on Pentecost Island in Vanuatu, they could use a variety ...
Measuring Systolic Blood Pressure Using the Palpatory Method Measuring Systolic Blood Pressure Using the Palpatory Method
Sample Teaching Plan for Hypertension Cont. Sample Teaching Plan for Hypertension Cont.
Linear programming problems using the simplex method. Linear programming problems using the simplex method.
A highway curve of radius 80 m is banked at 45°. Suppose that an ice storm hits, and the ... A highway curve of radius 80 m is banked at 45°. Suppose that an ice storm hits, and the ...
Video: Egg and Sperm Formations in Animals Animation

For a complete list of videos, visit our video library