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If M is the average (arithmetic mean) of the first 7 positive multiple
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17 Jul 2023, 23:01
17 Jul 2023, 23:01
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If M is the average (arithmetic mean) of the first 7 positive multiples of 7 and m is the median of the first 7 positive multiples of 7
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
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Question From Our Project: Free GRE Prep Club Tests in Exchange for 20 Kudos
\(\Longrightarrow\) GRE - Quant Daily Topic-wise Challenge
\(\Longrightarrow\) GRE NUMBER PROPERTIES
Quantity A |
Quantity B |
M |
m |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Post A Detailed Correct Solution For The Above Questions And Get Kudos.
Question From Our Project: Free GRE Prep Club Tests in Exchange for 20 Kudos
\(\Longrightarrow\) GRE - Quant Daily Topic-wise Challenge
\(\Longrightarrow\) GRE NUMBER PROPERTIES
Re: If M is the average (arithmetic mean) of the first 7 positive multiple
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18 Jul 2023, 11:52
18 Jul 2023, 11:52
1
M is the average of the first 7 positive multiples of 7.
To begin with, we must list out the value of first 7 positive multiples of 7 : 7,14,21,28,35,42,49
Thus, their average becomes 28 = M.
Furthermore, their median also becomes 28 = m
Because, in case of odd number of observations median term is defined by : (number of observations + 1) / 2 th term.
Here number of observations are 7, therefore median term = (7+1)/2 = 4 th term, which is 28
Hence, the answer is C) The two quantities are equal.
To begin with, we must list out the value of first 7 positive multiples of 7 : 7,14,21,28,35,42,49
Thus, their average becomes 28 = M.
Furthermore, their median also becomes 28 = m
Because, in case of odd number of observations median term is defined by : (number of observations + 1) / 2 th term.
Here number of observations are 7, therefore median term = (7+1)/2 = 4 th term, which is 28
Hence, the answer is C) The two quantities are equal.
Re: If M is the average (arithmetic mean) of the first 7 positive multiple
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22 Jan 2024, 06:20
22 Jan 2024, 06:20
1
No need of calculations as each consecutive multiple have same difference (gap) between them thus it is AP and in AP mean=median so C
Point to note when series in AP then mean=median but vice versa is not true.
Point to note when series in AP then mean=median but vice versa is not true.
