Question

Pls help to solve this ​

Answer 1

`\underline{ \underline{ \pink{\large{ \tt{ \: S \:T \: E \: P \: - \: BY \: - \: S \: T \: E \: P \: \: E\: X\: P \: L \: A \:N\: A \: T \: I \: O \: N}}}}}:`

Q. Find the range and coefficient of range of the data :

• 100 , 200 , 400 , 600 , 900

⇾ Solution :

• largest value ( L ) = 900 & smallest value ( S ) = 100

We know , Range is the difference between the largest and smallest value. By definition ,

1. Range = Largest value - Lowest value = 900 - 100 =
`\boxed{ \sf{800}}`

2. Coefficient of range =
`\large{ \tt{ (L - S)/(L + S) = (900 - 100)/(900 + 100 ) = \boxed{ \tt{0.8}} }}`

Q. If f ( x ) = 9x - 8x and x belong to { 0 , 4 , 3 ,5 }. Find the range.

⇾ Solution:

When x = 0 , f ( 0 ) = 9 × 0 - 8 × 0 = 0

When x = 4 , f ( 4 ) = 9 × 4 - 8× 4 = 4

When x = 3 , f ( 3 ) = 9 × 3 - 8 × 3 = 3

When x = 5 , f ( 5 ) = 9 × 5 - 8 × 5 = 5

• Range = { 0 , 4 , 3 , 5 )

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