The height of 8 males participating in an athletic championship are found to be 175 cm, 168 cm, 165 cm, 170 cm, 167 cm, 160 cm, 173 and 168 cm. Can we conclude that the average height is greater than 165 cm. Assume that the population is normal? Test at 5% level of significance. Also find its confidence interval.
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what is this ❓this is maths question not music
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