This topic contains a solution. Click here to go to the answer

Author Question: A testing service has 1000 raw scores. It wants to transform the distribution so that the mean = 10 ... (Read 64 times)

silviawilliams41

  • Hero Member
  • *****
  • Posts: 560
A testing service has 1000 raw scores. It wants to transform the distribution so that the mean = 10 and the standard deviation = 1 . To do so, _________.
 
  a. do a z transformation for each raw score and add 10 to each z score.
  b. do a z transformation for each raw score and multiply each by 10
  c. divide the raw scores by 10
  d. compute the deviation score for each raw score. Divide each deviation score by the standard deviation of the raw scores. Take this result for all scores and add 10 to each one.
  e. a and d

Question 2

Table A in your textbook has no negative z values, this means _________.
 
  a. the table can only be used with positive z values
  b. the table can be used with both positive and negative z values because it is symmetrical
  c. the table can be used with both positive and negative z values because it is skewed
  d. none of these



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jliusyl

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

E

Answer to Question 2

B




silviawilliams41

  • Member
  • Posts: 560
Reply 2 on: Jun 19, 2018
Excellent


TheNamesImani

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

For a complete list of videos, visit our video library