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coach woods made a comparison of geometry quiz scores in his 2nd and 4th period classes: 2nd period 4th period 13 13 13 14 12 and 13 16 15 14 standard 4.3 6.72 what can coach woods conclude about the comparison of quiz scores?
a) the average score was lower for 4th period.
b) the average score was greater for 4th period.
c) there was less variation in scores for 4th period.
d) there was more variation in scores for 4th period.

the answer is 0.071

good luck! : d

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step-by-step explanation:

i believe the answer is d.

hope it you! : d

the system of inequity is

step-by-step explanation:

from the given graph it is noticed that we have two related lines. one is solid and another is dashed.

if a line passing through two points, then the equation of line is

the solid line passing through the points (0,4) and (4,0).

the related equation of solid line is .

similarly, find the related equation of dashed line. the dashed liune passing through the points (0,0) and (3,1).

the related equation of dashed line is

from the given graph it is noticed that the point (0,1) lies on the shaded region, therefore the point (0,1) must be satisfied by the related equations.

check the related equations by the point (0,1).

this statement is true if the sign of inequality is < instead of equality. since it is an solid line therefore the sign of inequality will be . the required inequality is

similarly, check the second related equation.

it is a dashed line, so this statement is true if the sign of inequality is > . the required inequality is