Calculate the mean for the simple frequency distribution below
X f
53 2
52 5
50 5
49 7
48 10
47 4
43 7
41 3
38 2
37 1
= 47.04
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Which type of group class is based on ballet-inspired movements that offer progressions through flexibility exercises to isometric postures and strength exercises?
a. Barre classes b. fitness boot camp c. step aerobics d. hip-hop dance e. Zumba
Which of the following concepts is most important in building a sense of community in the classroom?
A. caring B. inclusiveness C. teacher focus D. welcoming
Answer the following statement(s) true (T) or false (F)
1. MDMA (Ecstasy) is the most popular club drug. 2. The date rape drug GHB is commonly added to bottles of water and offered to unsuspecting females and males at clubs and parties. 3. Methamphetamine combines the stimulating effects of cocaine with the hallucinogenic qualities of psychedelics. 4. Addiction is a brain disease with a genetic basis. 5. The main danger associated with ephedra use is heat stroke resulting from increased heart rate and blood pressure.
Benefits of regular exercise include all of the following except:
a. reduced stress. b. increased metabolism. c. increased blood level of LDLs. d. greater aerobic fitness.