DATA HANDLING
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DATA HANDLING

300242 12, a, 6, 8, 2, 14.
The average (arithmetic mean) of the numbers listed above is 6. Calculate the value of a:

1 -36
2 -6
3 0
4 6
5 36
DATA HANDLING

300243 The arithmetic mean of the squares of first n natural numbers is:

1 \(\frac{\text{n+1}}{6}\)
2 \(\frac{{\text{(n+1}}) ({2}{\text{n+1})}}{6}\)
3 \(\frac{{\text{n}}^{2} -{1}}{6}\)
4 None of these
DATA HANDLING

300244 The mean of a data is 15 and the sum of the observations is 195. The number of observations is:

1 13
2 19
3 16
4 17
DATA HANDLING

300276 The average of three numbers is 60. The first is 1/ 4th of the sum of the other two. The first number is:

1 24
2 36
3 48
4 72
DATA HANDLING

300277 Which of the following has the same mean, median and mode?

1 6, 2, 5, 4, 3, 4, 1
2 4, 2, 2, 1, 3, 2, 3
3 2, 3, 7, 3, 8, 3, 2
4 4, 3, 4, 3, 4, 6, 4
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DATA HANDLING

300242 12, a, 6, 8, 2, 14.
The average (arithmetic mean) of the numbers listed above is 6. Calculate the value of a:

1 -36
2 -6
3 0
4 6
5 36
DATA HANDLING

300243 The arithmetic mean of the squares of first n natural numbers is:

1 \(\frac{\text{n+1}}{6}\)
2 \(\frac{{\text{(n+1}}) ({2}{\text{n+1})}}{6}\)
3 \(\frac{{\text{n}}^{2} -{1}}{6}\)
4 None of these
DATA HANDLING

300244 The mean of a data is 15 and the sum of the observations is 195. The number of observations is:

1 13
2 19
3 16
4 17
DATA HANDLING

300276 The average of three numbers is 60. The first is 1/ 4th of the sum of the other two. The first number is:

1 24
2 36
3 48
4 72
DATA HANDLING

300277 Which of the following has the same mean, median and mode?

1 6, 2, 5, 4, 3, 4, 1
2 4, 2, 2, 1, 3, 2, 3
3 2, 3, 7, 3, 8, 3, 2
4 4, 3, 4, 3, 4, 6, 4
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DATA HANDLING

300242 12, a, 6, 8, 2, 14.
The average (arithmetic mean) of the numbers listed above is 6. Calculate the value of a:

1 -36
2 -6
3 0
4 6
5 36
DATA HANDLING

300243 The arithmetic mean of the squares of first n natural numbers is:

1 \(\frac{\text{n+1}}{6}\)
2 \(\frac{{\text{(n+1}}) ({2}{\text{n+1})}}{6}\)
3 \(\frac{{\text{n}}^{2} -{1}}{6}\)
4 None of these
DATA HANDLING

300244 The mean of a data is 15 and the sum of the observations is 195. The number of observations is:

1 13
2 19
3 16
4 17
DATA HANDLING

300276 The average of three numbers is 60. The first is 1/ 4th of the sum of the other two. The first number is:

1 24
2 36
3 48
4 72
DATA HANDLING

300277 Which of the following has the same mean, median and mode?

1 6, 2, 5, 4, 3, 4, 1
2 4, 2, 2, 1, 3, 2, 3
3 2, 3, 7, 3, 8, 3, 2
4 4, 3, 4, 3, 4, 6, 4
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DATA HANDLING

300242 12, a, 6, 8, 2, 14.
The average (arithmetic mean) of the numbers listed above is 6. Calculate the value of a:

1 -36
2 -6
3 0
4 6
5 36
DATA HANDLING

300243 The arithmetic mean of the squares of first n natural numbers is:

1 \(\frac{\text{n+1}}{6}\)
2 \(\frac{{\text{(n+1}}) ({2}{\text{n+1})}}{6}\)
3 \(\frac{{\text{n}}^{2} -{1}}{6}\)
4 None of these
DATA HANDLING

300244 The mean of a data is 15 and the sum of the observations is 195. The number of observations is:

1 13
2 19
3 16
4 17
DATA HANDLING

300276 The average of three numbers is 60. The first is 1/ 4th of the sum of the other two. The first number is:

1 24
2 36
3 48
4 72
DATA HANDLING

300277 Which of the following has the same mean, median and mode?

1 6, 2, 5, 4, 3, 4, 1
2 4, 2, 2, 1, 3, 2, 3
3 2, 3, 7, 3, 8, 3, 2
4 4, 3, 4, 3, 4, 6, 4
Join With Us for More Updates
DATA HANDLING

300242 12, a, 6, 8, 2, 14.
The average (arithmetic mean) of the numbers listed above is 6. Calculate the value of a:

1 -36
2 -6
3 0
4 6
5 36
DATA HANDLING

300243 The arithmetic mean of the squares of first n natural numbers is:

1 \(\frac{\text{n+1}}{6}\)
2 \(\frac{{\text{(n+1}}) ({2}{\text{n+1})}}{6}\)
3 \(\frac{{\text{n}}^{2} -{1}}{6}\)
4 None of these
DATA HANDLING

300244 The mean of a data is 15 and the sum of the observations is 195. The number of observations is:

1 13
2 19
3 16
4 17
DATA HANDLING

300276 The average of three numbers is 60. The first is 1/ 4th of the sum of the other two. The first number is:

1 24
2 36
3 48
4 72
DATA HANDLING

300277 Which of the following has the same mean, median and mode?

1 6, 2, 5, 4, 3, 4, 1
2 4, 2, 2, 1, 3, 2, 3
3 2, 3, 7, 3, 8, 3, 2
4 4, 3, 4, 3, 4, 6, 4