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If the mean score for the juniors were known, which of the following
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28 Jul 2021, 10:42
28 Jul 2021, 10:42
Expert Reply
00:00
Question Stats:
62% (01:18) correct
37% (01:22) wrong based on 29 sessions
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If the mean score for the juniors were known, which of the following could be calculated from the information given?
Ⅰ.The range of the scores for the seniors
Ⅱ.The median score for the juniors
Ⅲ.The mean score for the seniors
(A) None
(B) Ⅰ only
(C) Ⅲ only
(D) Ⅰ and Ⅱ
(E) Ⅱ and Ⅲ
Re: If the mean score for the juniors were known, which of the following
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28 Jul 2021, 18:17
28 Jul 2021, 18:17
1
Solution:
If the mean score for the juniors were known, which of the following could be calculated from the information given?
Ⅰ.The range of the scores for the seniors- We cannot find range for seniors and the total can be found in several ways i.e it could be 74-84 or 80-90- OUT
Ⅱ.The median score for the juniors- We also cannot find the median. If all the value are different then the median will be different and if it consists of one number eg. 6 students have a score of 76 then the median will be 76- OUT
Ⅲ.The mean score for the seniors- True, we can find the mean of the senior as we know the total score and total number of students and we can subtract the total of total students by the total score of juniors.- Correct
Hope this helps!
If the mean score for the juniors were known, which of the following could be calculated from the information given?
Ⅰ.The range of the scores for the seniors- We cannot find range for seniors and the total can be found in several ways i.e it could be 74-84 or 80-90- OUT
Ⅱ.The median score for the juniors- We also cannot find the median. If all the value are different then the median will be different and if it consists of one number eg. 6 students have a score of 76 then the median will be 76- OUT
Ⅲ.The mean score for the seniors- True, we can find the mean of the senior as we know the total score and total number of students and we can subtract the total of total students by the total score of juniors.- Correct
Hope this helps!
Re: If the mean score for the juniors were known, which of the following
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10 Aug 2021, 03:11
10 Aug 2021, 03:11
Isnt the total score 1576? Just asking to verify the third option for the question
