I a Coefficient of Correlation R Close to 0 (Say

question 12

Multiple Choice

i. A coefficient of correlation r close to 0 (say, 0.08) shows that the relationship between two variables is quite weak.
ii. Coefficients of -0.91 and +0.91 have equal strength.
Iii) If the coefficient of correlation is 0.68, the coefficient of determination is 0.4624.

• A) (i), (ii) and (iii) are all correct statements
• B) (i) and (ii) are correct statements, but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) All statements are false

Distinguish between different types of time series patterns such as trend, seasonal, and cyclical effects.

Utilize historical data to make future sales forecasts using methods like moving average models and exponential smoothing.

Apply the Delphi method for expert opinion-based forecasting and understand its process.

Analyze sales data to identify underlying patterns and forecast future sales.

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