The following tables show data for the ages of players on two opposing Little Le

Question

The following tables show data for the ages of players on two opposing Little League teams. Based on the data in the two tables, what is the difference in the mean ages between the Fireside Jalapenos and the Roasted Artichokes? The mean age of the Fireside Jalapenos is about 0.01 above the mean age of the Roasted Artichokes. The mean age of the Fireside Jalapenos is the same as the mean age of the Roasted Artichokes. The mean age of the Fireside Jalapenos is about 0.01 below the mean age of the Roasted Artichokes. The mean age of the Fireside Jalapenos is 1 year younger than the mean age of the Roasted Artichokes.

Explanation / Answer

for jap.......

Total = 4 x 3 + 4.5 x 6 + 5 x 3 + 5.5 x 7 = 92.5
F = 19
Mean = 92.5/19
Mean = 4.8684

art..../jp... =4.8684/

for art........

Total = 4 x 5 + 4.5 x 4 + 5 x 7 + 5.5 x 8 = 117
F = 24
Mean = 117/24
Mean = 4.875

art..../jp... =4.8684/4.875 =1.001 neary 1

art =1*jap...

option 2

   same mean age................

  

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