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ONE SAMPLE HYPOTHESIS TEST FOR MEAN: A bowler who...

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ONE SAMPLE HYPOTHESIS TEST FOR MEAN: 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? 1a) Direction = UPPER TAILED / LOWER TAILED / 2-TAILED (circle one) 1b) P-value = ________________ 1c) REJECT THE NULL or DO NOT REJECT THE NULL? (circle one) 1d) Can we conclude the ball improved his game? YES or NO (circle one)

 

Paper#9920 | Written in 18-Jul-2015

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