This dot plot is symmetric, and the data set has no extreme values. 4 5 6 8 910 Which of these measures is the best measure of v
ariability for the dot plot? A. Interquartile range (IQR) B. Mean C. Median D. Mean absolute deviation (MAD)
2 answers:
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ANSWER
EXPLANATION
The given series is
The first term of the series is,
The common ratio of this series is,
This simplifies to,
The sum to infinity of this sequence is given by the formula,
We substitute the above values into the formula to obtain,
This simplifies to,
We simplify the denominator to get,
This will finally give us,
The correct answer is A.
EXPLANATION
The given series is
The first term of the series is,
The common ratio of this series is,
This simplifies to,
The sum to infinity of this sequence is given by the formula,
We substitute the above values into the formula to obtain,
This simplifies to,
We simplify the denominator to get,
This will finally give us,
The correct answer is A.
