The second variable that the consumer cares about, which also is the second classic criticism of electric cars, is charging time.

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My second bullish variable relates to sentiment which as far as I can determine is mixed, but turning positive.

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But as Australia A began to lose second-innings wickets, variable bounce was becoming a factor.

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Second, interest rates were variable, which is fine in a low interest rate environment, but which could be very destabilizing for a company when interest rate spiraled upward, as they did in the 1970s.

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Second, offshore winds, though variable, are fairly predictable.

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Even worse, when OPERA ran their experiment for a second time, they only changed one variable, and did not try to address other important criticisms of the initial methodology from both outside and inside the OPERA Collaborative.

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Negative correlation occurs when one variable moves above its moving average while the second moves below its moving average.

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But unlike Global Insight, they use a proxy for the first variable that is not itself affected by the second.

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Positive correlation occurs when one variable moves above its moving average while the second also moves above its moving average.

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