Some descriptive statistics for a Set of test scores are shown above for this test a certain student has a standardized score of
z=-1.2 what score did the student receive on the test
1 answer:
Complete Question
The complete question is shown on the first uploaded image
Answer:
The score of the student is x = 779.42
Step-by-step explanation:
Generally we can mathematically represent the z-score as
Here x is the score of the student
substituting 1045.7 for the Mean, 221.9 for the stDev and -1.2 for z we have
=>
=> x = -266.28 + 1045.7
=> x = 779.42
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Option D will be correct.
Line 1 has following coordinates.
(0,0) ; (1,-2) ; (2,-4)
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(0,0) ; (1,0.5) ; (2,1)
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(0,1) ; (1,1.5) ; (2,2)
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Option D will be correct.