b) Players in the Dstv Premier Soccer League are classified as one of four positions (Defender, Striker, Goalkeeper, or

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B Players In The Dstv Premier Soccer League Are Classified As One Of Four Positions Defender Striker Goalkeeper Or 1 (46.44 KiB) Viewed 145 times

b) Players in the Dstv Premier Soccer League are classified as one of four positions (Defender, Striker, Goalkeeper, or Midfielder). Random samples of twenty players were selected from each position for players during the 2020 season. The players' Body Mass Indices were measured. The within position sum of squares error is 78. The means for the four positions are: 22.77 (D), 20.19 (S), 24.11 (G), and 28.16 (M). (i) What are the experimental units in the proposed experiment? (1) (ii) Construct 90% confidence intervals for the ratio and for the variance components. (13) (iii) Determine what percentage of the total variance in this experiment. (3) (iv) Assume model 1 was the correct model to be fitted, compute confidence intervals for the four positions using Newman-Keuls. Draw lines below the treatment labels, joining pairs of treatments that are not significantly different. Defender Striker Goalkeeper Midfielder (7)