In a population, the ______ is the mean squared deviation from the mean.
a. mean
b. variance
c. standard deviation
d. range
Ans: B
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What is a key difference between spontaneous movements and movements in response to a stimulus?
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4-year-old Sara is encouraged to pick out her clothes in the morning before school. According to Erikson, Sara is likely to develop a sense of initiative, because of her parents' encouragement
Indicate whether the statement is true or false
What is an example of a toddler using a holophrase?
The toddler says, "Bye-bye," to say goodbye. || The toddler thinks the family cat's name is Kitty, not realizing that kitty is a type of animal, not a proper name. || The toddler applies the word "raspberry" to a variety of berries, such as strawberries and other red berries. || The toddler says, "Cup," which could mean, "Fill my cup up with juice" or "I dropped my cup on the floor." || || ||
All parametric tests are less powerful than the non-parametric
Indicate whether the statement is true or false