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.At the 5% significance level,the critical value is:
Definitions:
Decentration
The ability to consider multiple aspects of a situation simultaneously, characteristic of cognitive development in children.
Stimulant
A substance that increases physiological or nervous activity in the body, enhancing alertness, attention, and energy.
Attention-Deficit/Hyperactivity Disorder
Attention-Deficit/Hyperactivity Disorder, or ADHD, is a neurodevelopmental disorder characterized by patterns of hyperactivity, impulsivity, and/or inattention that are more frequent and severe than typically observed in individuals at a comparable level of development.
Melanin
The pigment responsible for determining skin, hair, and eye color in humans and animals, also providing some protection against the effects of UV radiation.
Q16: Exhibit 14-7.Assume you ran a multiple regression
Q39: You would like to determine if there
Q42: A random sample of 21 pages is
Q43: For the exponential model ln(y)= β<sub>0</sub> +
Q49: A particular bank has two loan modification
Q59: Exhibit 16-1.The following Excel scatterplot with the
Q87: Exhibit 12.8 The heights (in cm)for a
Q91: Which of the following is the formula
Q98: In regression,the predicted values concerning y are
Q105: Exhibit 15-2.A sports analyst wants to exam