Consumption 0.386 0.374 0.393 0.425 0.406 0.344 0.327 0.288 0.269 0.256 Price
1.35 1.41 1.39 1.40 1.36 1.31 1.38 1.34 1.33
1.39
Income
351 356 365 360 342 351 369 356
342 356
Temperature 41 56 63 68 69 65 61 47 32 24
1. a. Use a 0.05 significance level to test for a linear correlation between consumption
and price?

step-by-step explanation:

$9.89

step-by-step explanation:

9.90 = p x .06 x .25 (3/12 changed to a decimal)

9.90 = p x 0.015

9.90 - 0.015 = p

9.89 = p

step-by-step explanation:

there are 36 inches in a yard

25 : 36 = 0.69 yards (you can round to 0.70)

answer: 204

step-by-step explanation:

we are told that the revenue is

x⋅(4080−10x)=−10x^2+4080x

this is a quadratic function, so to maximize it we should find the x-value of its vertex. recall that the x-value of the vertex of the parabola ax^2+bx+c is given by the formula −b/2a.

so in this case, we have a=−10 and b=4080, so the x-value of the vertex is

−b/2a= −(4080)/2(−10)=204