State the different methods of measuring trend

योग

Following are the methods by which we can measure the trend.

(i) Freehand or Graphic Method

(ii) Method of Semi-Averages

(iii) Method of Moving Averages

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Time Series Analysis

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अध्याय 9: Applied Statistics - Exercise 9.1 [पृष्ठ २०९]

अध्याय 9 Applied Statistics
Exercise 9.1 | Q 12 | पृष्ठ २०९

Write a brief note on seasonal variations

Explain cyclic variations

Define seasonal index

State the two normal equations used in fitting a straight line

Find the trend of production by the method of a five-yearly period of moving average for the following data:

Choose the correct alternative:

Factors responsible for seasonal variations are

A bullet of mass m and velocity a is fired into a large block of wood of mass M The final velocity of the system is

The n^th term of the series 2 + 4 + 7 + 11 + ..... is

What is the sum of the first 50 terms of the series (1 × 3) + (3 × 5) + (5 × 7) + ...?

The sum of the series 3.6 + 4.7 + 5.8 + ....... upto (n – 2) terms