The mean is 163.4 cm and the standard deviation is 6.7 cm. convert the mean and standard deviation to inches

The mean is 64.33 inches and standard deviation is 2.64 inches.

Step-by-step explanation:

Given:

Mean = 163.4 cm

Standard deviation=6.7 cm

Solution:

As we know

So for mean,

For standard deviation,

answer: b)

step-by-step explanation:

its a dot plot because since the score is not high numbers.

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hope it you

step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2