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researchers investigated whether higher chocolate consumption leads to higher body mass in humans. they analyzed the data using chocolate consumption as the explanatory variable and body mass index as the response; a high bmi typically indicates an overweight person. the slope of the fitted regression line was -0.168, with a standard error of 0.046 and a p-value of 0.003. do these results indicate that people who eat more chocolate have a higher bmi?

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No, these results indicate that people who eat more chocolate have a lower body mass index (BMI). The negative slope of -0.168 means that as chocolate consumption increases, BMI decreases. The significant p-value of 0.003 indicates that the results are statistically significant and not due to chance.

What does a variable mean?

In a mathematics problem or experiment, a variable is a quantity that can change. To indicate a variable, we often use a single letter. Generic symbols used frequently for variables include the letters x, y, and z.

What is a math example with variables?

In mathematics, a variable is an alphabet or phrase that denotes an unknowable quantity, unknowable value, or unknowable number. In the case of algebraic expressions or algebra, the variables are employed specifically. For instance, the linear equation x+9=4 has 9 and 4 as constants and x as a variable.
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