snowgirl27141
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Anyone know what the answers to these 2 questions are?

A 5 year old scores 2 standard deviations above the mean score for her age group

An 55 year old man scores 1/3 of a standard deviation below the mean for his age group
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future_11
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whats the question?
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snowgirl27141
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(Original post by future_11)
whats the question?
According to the Deviation Measure of IQ, on a test where the standard deviation is 15, what would be the IQ in the following examples:
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future_11
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(Original post by snowgirl27141)
According to the Deviation Measure of IQ, on a test where the standard deviation is 15, what would be the IQ in the following examples:
Does it not give the mean scores for their age groups?
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snowgirl27141
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(Original post by future_11)
Does it not give the mean scores for their age groups?
these were the options to choose from
95
120
130
110
70
80
130
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future_11
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(Original post by snowgirl27141)
these were the options to choose from
95
120
130
110
70
80
130
Wouldn't you just have to find the mean for each age group (if they haven't gave you it) then add 2 to that for the 5 year old girl, and take away 1/3 from the mean for the 55 year old ? Never seen a Q like this one, bit strange, was it homework?
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snowgirl27141
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(Original post by future_11)
Wouldn't you just have to find the mean for each age group (if they haven't gave you it) then add 2 to that for the 5 year old girl, and take away 1/3 from the mean for the 55 year old ? Never seen a Q like this one, bit strange, was it homework?
yes
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