Jun 06, 2017 Assignments

# Trend line y = a + bd where y = the variable for which trend is required, d = the deviation in time from the midpoint of the time series, a = y , and b = Σ yd /Σ yd 2 Subdivision of the trend line 1 2 d n b n y a 1 = + Sub - period value Where n = the n

This paper concentrates on the primary theme of Trend line y = a + bd where y = the variable for which trend is required, d = the deviation in time from the midpoint of the time series, a = y , and b = Σ yd /Σ yd 2 Subdivision of the trend line 1 2 d n b n y a 1 = + Sub - period value Where n = the n in which you have to explain and evaluate its intricate aspects in detail. In addition to this, this paper has been reviewed and purchased by most of the students hence; it has been rated 4.8 points on the scale of 5 points. Besides, the price of this paper starts from £ 40. For more details and full access to the paper, please refer to the site. Trend line

bd

where = the variable for which trend is required, = the deviation in time from the midpoint of the time series, a = y , and yd yd 2

Subdivision of the trend line

 Sub - period value y1 = a + b d1 n n2

Where = the number of sub-periods per cycle, and d= the deviation from the midpoint of the series measured in sub-periods.

Index Numbers

Laspeyre price index

 Index = (pn qo ) x 100 (po qo ) Paasche price index Index = (pn qn ) x 100 (po qn ) Useful Formulae Weighted average Weighted average = xw Geometric mean w n GM = (x1 Χ x2 Χ x3 Χ ....... xn ) Alternative logx Log GM = n

STATISTICAL FORMULAE

ESSENTIAL FORMULAE

Frequency Distributions

Arithmetic Mean (

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