The mean of year is 1950 and the standard deviation of year is 37.4. the mean of sugar consumption is 77.5 and the standard deviation is 19.6 the correlation coefficient between year and sugar consumption is 0.95 [useful formulas: slope=rsy/sx and intercept = mean of y – (slope * mean of x)] are these two variables related? if so, what is the direction of the relationship?

answer: 5

step-by-step explanation:

  answer:

  write 548 as 500 + 40 + 8. multiply each addend by 5. then add the three products to get 2,740.

the answer is d

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the circumference of a circle is, 10.676 cm.

step-by-step explanation:

the formula for circumference of a circle is given by:

where

c is the circumference of a circle and

d is the diameter of a circle.

given: diameter(d) = 3.4 cm and use

substitute these values in [1] we get;

cm

therefore, the circumference of a circle is, 10.676 cm