« previous next »

Author Question: A sample of n = 20 scores is transformed into z-scores. What is the mean for the set of 20 z-scores? ... (Read 40 times)

Kikoku

  • Hero Member
  • *****
  • Posts: 540
on: Jun 20, 2018
A sample of n = 20 scores is transformed into z-scores. What is the mean for the set of 20 z-scores?
 
  a. 0
  b. 1
  c. 10
  d. Cannot be determined without more information

Question 2

For an exam with a mean of M = 74 and a standard deviation of s = 8, Mary has a score of X = 80, Bob's score corresponds to z = +1.50, and Sue's score is located above the mean by 10 points. If the students are placed in order from smallest score to largest score, what is the correct order?
 
  a. Bob, Mary, Sue c. Mary, Bob, Sue
  b. Sue, Bob, Mary d. Mary, Sue, Bob


tennis14576

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Sample Program for Changing Daily Caloric Intake (cont.) Sample Program for Changing Daily Caloric Intake (cont.)
Normal Distribution of IQ Scores Normal Distribution of IQ Scores
Sample prescriptions of drugs for oral fungal infections. Sample prescriptions of drugs for oral fungal infections.
Sample of a business card design. Sample of a business card design.
(left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur (left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur
Sample Size Affects Sampling Error Sample Size Affects Sampling Error
Video: Introduction to Diabetes

For a complete list of videos, visit our video library