Jaraula143idn
Answered

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2
A.
1. Electra Company measures each cable wire. The lengths in centimeters
of the first batch of seven cable wires were 6,6,6,7,8,8, and 8.
What is the standard deviation of these lengths?
A. 1.0
B. 1.5
C. 1.7
D. 1.8

2. The following data represent the hours worked over eight-week period:
36, 40, 40, 42, 40, 50, 40, 44. What is the range for this set of data?
A. 14
B. 36
C. 40
D.50

3. The variance of a given data is 2.66. What is its standard deviation?
A.1.53
B.1.63
C.1.73
D.1.83​

Sagot :

AishaMarianoidn

1. Electra Company measures each cable wire. The lengths in centimeters

of the first batch of seven cable wires were 6,6,6,7,8,8, and 8.

What is the standard deviation of these lengths?

A. 1.0

B. 1.5

C. 1.7

D. 1.8

2. The following data represent the hours worked over eight-week period:

36, 40, 40, 42, 40, 50, 40, 44. What is the range for this set of data?

A. 14

B. 36

C. 40

D.50

3. The variance of a given data is 2.66. What is its standard deviation?

A.1.53

B.1.63

C.1.73

D.1.83

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