Standard deviation of 6.6 6.6 6.5 6.5 6.3 6.4 5.9

2nd one in the first row is correct

a: 1/6, j: 1/4

step-by-step explanation: you are welcome

10 down (bang1)

5 up

5down (2)

2.5 up

2.5 down (3)

1.25 up

1.25 down (4)

now add them up : )

hoped i lol

60°

step-by-step explanation:

the measure angle of c in an isosceles triangle abc is 60° because in isosceles triangle,the measures of all the angles is 60°.