In a completely randomized design involving four treatments, the following information is provided. Treatment 1 Treatment 2 Treatment 3 Treatment 4 Sample Size 50 18 10 17 Sample Mean 32 36 42 48 The overall mean (the grand mean) for all treatments is O 37.3. 36.7. 48.3. O 37.0.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.