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 190 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
Thanks for the timely response, appreciate it


adf223

  • Member
  • Posts: 304
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

For a complete list of videos, visit our video library