Suppose Daily High and Low Temperature Measures Were Taken for 50

question 32

Multiple Choice

Suppose daily high and low temperature measures were taken for 50 days. For each day, the daily high temperature was exactly 10 degrees higher than the daily low temperature. For example, on a day with a high temperature of 80° , the low temperature was 70° . What is the best estimate of the correlation coefficient between the daily high and daily low temperatures?

• A)No conclusions can be drawn without seeing a scatterplot of the data.
• B)The correlation coefficient between the daily high and low temperatures is equal to -1.
• C)The correlation coefficient between the daily high and low temperatures is equal to 0.
• D)The correlation coefficient between the daily high and low temperatures is equal to 1.

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