« previous next »

Author Question: For a sample of n = 30 scores, a score that is 6 points above the mean has a z-score of z = 1.50 . ... (Read 63 times)

tsand2

  • Hero Member
  • *****
  • Posts: 520
on: Jun 20, 2018
For a sample of n = 30 scores, a score that is 6 points above the mean has a z-score of z = 1.50 . What is the sample standard deviation?
 
  a. 4 c. 8
  b. 6 d. 12

Question 2

For a sample with M = 50 and s = 12, what is the X value corresponding to z = 0.25?
 
  a. 47 c. 46
  b. 53 d. 54


missalyssa26

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jun 20, 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
« previous next »
 

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

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

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Population genetics sample question Population genetics sample question
The Normal Distribution of Scores for a Standardized Intelligence Test The Normal Distribution of Scores for a Standardized Intelligence Test
Sample Program for Changing Daily Caloric Intake (cont.) Sample Program for Changing Daily Caloric Intake (cont.)
Iowa Gambling Task Scores Across Age Iowa Gambling Task Scores Across Age
A medical assistant holds a specimen container to receive a biopsy sample. A medical assistant holds a specimen container to receive a biopsy sample.
Calculating the Deviation IQ Score Calculating the Deviation IQ Score
Video: Origin of organelles Animation

For a complete list of videos, visit our video library