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

Author Question: Scores on Ms. Bond's test have a mean of 70 and a standard deviation of 11 . David has a score of 52 ... (Read 209 times)

Yolanda

  • Hero Member
  • *****
  • Posts: 757
Scores on Ms. Bond's test have a mean of 70 and a standard deviation of 11 . David has a score of 52 on Ms. Bond's test. Scores on Ms. Nash's test have a mean of 64 and a standard deviation of 6 . Steven has a score of 52 on Ms. Nash's test. Which student has the higher standardized score?
 a. David's standardized score is -1.64 and Steven's standardized scores -2.00 . Therefore, David has the higher standardized score.
  b. David's standardized score is -1.64 and Steven's standardized scores -2.00 . Therefore, Steven has the higher standardized score.
  c. David's standardized score is 1.64 and Steven's standardized scores 2.00 . Therefore, Steven has the higher standardized score.
  d. Cannot be determined with the information provided.

Question 2

Scores on Ms. Nash's test have a mean of 64 and a standard deviation of 9 . Steve has a score of 52 . Convert Steve's score to a z-score. (Round to two decimal places if necessary.)
 a. 1.33
 
  b. 58.2
 
  c. 2
  d. 1.33



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Anna

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

b
RATIONALE: David's standardized score is (52  70)/11 = 1.64 and Steven's standardized scores is (52  64)/6 = 2.00 . Therefore, David has the higher standardized score.

Answer to Question 2

d
RATIONALE: z-score = (sample  mean)/standard deviation (52  64)/9 = 1.33




Yolanda

  • Member
  • Posts: 757
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review


xiaomengxian

  • Member
  • Posts: 311
Reply 3 on: Yesterday
Excellent

 

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

For a complete list of videos, visit our video library