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Exhibit 12.7 The heights (in cm) for a random sample of 60 males were measured.The sample mean is 166.55,the standard deviation is 12.57,the sample kurtosis is 0.12,and the sample skewness is -0.23.The following table shows the heights subdivided into non-overlapping intervals. Refer to Exhibit 12.7.For the chi-square test for normality,the null and alternative hypothesis are:
Good
Describes something as being satisfactory, beneficial, or morally right.
Groin Pull
A strain or injury to the muscles of the inner thigh, often occurring in activities requiring sudden changes in direction or speed.
Ankle Sprain
An injury to the ligaments in the ankle, usually caused by twisting or turning the ankle in an awkward way.
ACL Tear Injury
A common injury involving a tear in the anterior cruciate ligament, one of the key ligaments that help stabilize the knee joint.
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