What is the interquartile range for the data set? 89, 91, 95, 112, 118, 83, 85, 104, 118, 125, 134, 138

31.5 IS THE CORRECT ANSWER

Step-by-step explanation:

83, 85, 89,   l    91, 95, 104,  l   112, 118, 118,  l  125, 134, 138

Q₁ = (89 + 91)/2 = 90

Q₂ = (104 + 112)/2 =108

Q₃ = (118 + 125)/2 = 121.5

Interquartile range (IQR) = Q₃ - Q₁

                                       = 121.5 - 90

                                IQR = 31.5

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3: 2

step-by-step explanation:

shorter piece is 2: 3, so just reverse it, and you get 3: 2

solution:

→c= a b , that is product of a and b is possible only when when a is m × n matrix and b is n × p matrix.

that is, number of columns of a= number of rows of b.

so, size of matrix , c= a b is , if a = (m × n)matrix

b= (n × p)matrix

then a b = [ (m × n)matrix] ×[   (n × p)matrix ]

→→c= a b= [m × p ] matrix

→→size of product a b will be equal to = number of rows of a × number of columns of b