« previous next »

Author Question: A hypothesis test for the difference between two means is considered a two-tailed test when: A) ... (Read 107 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
on: Jun 24, 2018
A hypothesis test for the difference between two means is considered a two-tailed test when:
 
  A) the population variances are equal.
  B) the null hypothesis states that the population means are equal.
  C) the alpha level is 0.10 or higher.
  D) the standard deviations are unknown.

Question 2

Once you have determined the class width using the formula, high-low divided by the number of classes, it is appropriate to round to the nearest integer to make the analysis easier.
 
  Indicate whether the statement is true or false


Li Jun

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

FALSE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Shelles

  • Hero Member
  • *****
  • Posts: 582
Reply #2 on: Jun 24, 2018
Thank you


Li Jun

  • Sr. Member
  • ****
  • Posts: 335
Reply #3 on: Jun 24, 2018
No problemo


« previous next »
 

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Black-tailed Jackrabbit camouflage Black-tailed Jackrabbit camouflage
Earthquakes—Another Test For Plate Tectonics Earthquakes—Another Test For Plate Tectonics
The Activation-Synthesis Hypothesis of Dreaming The Activation-Synthesis Hypothesis of Dreaming
An Inkblot Similar to One of the Blots that Appear in the Rorschach Inkblot Test An Inkblot Similar to One of the Blots that Appear in the Rorschach Inkblot Test
a) Radioimmunosorbent test (RIST); (b) radioallergosorbent test (RAST). a) Radioimmunosorbent test (RIST); (b) radioallergosorbent test (RAST).
Difference Between Solar and Sidereal Day Difference Between Solar and Sidereal Day
Video: Barriers - eye structures, digestive mucosa, respiratory mucosa & genitourinary mucosa

For a complete list of videos, visit our video library