Illustration 22. Given below are the data relating to the vearly sales of a retail shop : 1998 140 Year : 1992 1993 1994 1995 1996 1997 Sales (in '000 Rs.) : 120 130 135 145 150 125 For the above data, (i) Fit a straight line by the method of least square and compute the trend values thereby.

Q: # 2 1) The data shows a positive correlation Which statement is 100 90 80 2) The data has an…

A: Statement (3) is correct. The dtaat shows a negative correlation.

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Q: b) The following are the quarterly index numbers of whole sale prices: Year 1928 1929 1930 1931 1932…

A: y⏜ = -0.3929(x)+126.57∑y-y⏞ =0

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