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Author Question: Sue took a test in both biology and math last week. The biology test had a mean of 70 and a standard ... (Read 105 times)

ishan

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on: Jun 19, 2018
Sue took a test in both biology and math last week. The biology test had a mean of 70 and a standard deviation of 7 whereas the math test had a mean of 75 and a standard deviation of 10 . Sue scored a 76 on the biology test and a 76 on the math test. On which test did she do better in comparison to the rest of the class?
 
  a. the math test
  b. the biology test
  c. she did the same on each test
  d. cannot be determined

Question 2

If Joe scored 25 on a test with a mean of 20 and a standard deviation of 5 what is his z-score?
 
  a. 25
  b. +1.0
  c. 0.0
  d. cannot be determined


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welcom1000

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Reply #1 on: Jun 19, 2018
Answer to Question 1

b

Answer to Question 2

b


ishan

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Reply 2 on: Jun 19, 2018
Thanks for the timely response, appreciate it

ktidd

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  • Posts: 319
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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