ICS Part 2 Statistics Chapter 16 Online Test

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ICS Part 2 Statistics Chapter 16 Online Test

  • Total Questions17

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ICS Part 2 Statistics Chapter 16 Online Test

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Question # 1

Sum of squares of residuals is denoted by

Question # 2

The additive model of the time series is:

Question # 3

For a least squares line trend Y = a + bx, the b is the:

Question # 4

ŷ=a+bx, this line will be called least squares line if it makes=Σ(y-a-bx)2

Question # 5

For a least squares linear trend=ŷ= a + b x,

Question # 6

The straight line is fitted to a time series when the movements in the time series are

Question # 7

The graph of time series is called:

Question # 8

Methods of semi-averages gives an

Question # 9

For a least squares linear trend ŷ = a + bx, the Σ(y-ŷ)2 = 0 when

Question # 10

The equation of the quadratic (parabolic) trend is

Question # 11

For a least squares linear trend Y = a + bx, the Σ(Y - Y)2 = 0 when:

Question # 12

For a least squares linear trend Y = a + bX

Question # 13

The systematic components of time series which follow regular pattern of variations are called:

Question # 14

In the measurement of secular trend the moving averages:

Question # 15

The secular trend is measured by the method of semi-averages when

Question # 16

Increase the number of patients in the hospital due to heel stock is:

Question # 17

Which one is a rough and crude method for measuring secular trend ?

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