They learn to balance on one foot; walk on their tiptoes; and climb, hop and skip. Three-year-olds can pedal, use a handlebar and operate three-wheeled vehicles, such as tricycles, but they do not have the balance required to operate a bicycle with only two wheels.
There are a number of different types of group and individual exercise classes, each designed to fit one's preferences and goals for physical fitness. Group classes are some of the most common, and these are often aerobics classes, such as aerobic dance, aerobic kickboxing, SpinningÂ® classes, or even aqua aerobics classes.
The ages of two exercise classes at a local fitness center are listed below. Which statement about the data is true? Class A: 37, 36, 32, 41, 42, 36, 44, 45 Class B: 26, 40, 38, 36, 42, 40, 40, 36 a. The mean age is the same for both classes.b. The range of ages is greater in Class A that in Class B. c. The mode of the ages for both classes is 36. d. The median age is the same for both groups.he mean age is the same for both classes. b. The range of ages is greater in Class A that in Class B. c. The mode of the ages for both classes is 36.