Which of the following graph plotted for the months against the three month moving average(3Yr MA) represents the given data correctly ?

Month	January	February (F)	March (M)	April (A)	May
Production of items	15	27	21	27	24

[Four line graphs labelled 1-4, each plotting 3-Yr MA against month, showing different curve shapes and values]

Match List-I with List-II

Choose the correct answer from the options given below:

If 18, Q, 19.2, T, 19.8 are the 5-year moving averages of the following series of observations:

16, P, 20, 18, R, 17, 19, S, 20, then

Match List-I with List-II

Choose the correct answer from the options given below:

For the given five values 15,24,18,33,42, the three years moving averages are

For the given five values, 16,25,19,34,43, the three year moving averages are

For the given six values 17, 22, 21, 35, 40, 51, the three years moving averages are

Consider the following data:

By using the method of least squares, the trend value for 1997 is :