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A bowler who has averaged 196 pins in the past year is asked to experiment with a ball made of a new kind of material. If he rolls 25 games with the new ball, averaging 204 pins with a standard deviation of 24.9, can one conclude at a level of significance of .01 that the new ball has improved his game?

a) Direction = UPPER TAILED/LOWER TAILED/2-TAILED (circle one)

b) P-value = ________________

c) REJECT THE NULL or DO NOT REJECT THE NULL? (Circle one)

d) Can we conclude the ball improved his game? YES or NO (circle one)

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