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I. Suppose there are 10,00 takers of the IQ test where the mean μ = 100 and the standard deviation σ = 16. A. What are the raw scores that correspond to each of the following scores? 1. z = 1 2. z = -1 3. z = 2 4. z = -2 B. How many scores are there above 84?
Submitted by Emily R. Aug. 17, 2021 06:15 a.m.
Solved by verified expert
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10 comments
Robin W.
March 3, 2023
Yo, Shyam, thanks for breakin down those raw scores for us
Jessica W.
March 16, 2023
Shoutout to Shyam for helpin us calculate those raw scores! Youre the real MVP man
Tyler J.
April 28, 2023
the answer in the video seems to have some calculation errors, leading to incorrect raw scores for z = 1 and z = -1.
James L.
July 13, 2023
The use of slang and lack of clear explanation makes it difficult to understand the solution.??
Elizabeth W.
July 24, 2023
Thanks for breaking down the IQ test question!
Heidi J.
September 3, 2023
thanks for making it crystal clear with the raw scores and the total scores above 84
Heather M.
September 6, 2023
shoutout to shyam for the chill explanation on how to calculate those raw scores using the mean and standard deviation much appreciated
Brent G.
September 25, 2023
Its important to doublecheck the arithmetic to ensure the accuracy of the raw scores especially when dealing with standard deviation and mean.
Anna E.
October 3, 2023
big ups for clarifying how to find the number of scores above 84 shyam your explanation totally makes sense and makes the math less daunting. gang gang
Ann T.
November 4, 2023
Appreciate the assist Shyam Your explanation was on point