Psy 555 Homework 3
Chapter 2: #11, 19,
b) as is c) as is d) What do you call what you calculated in (b)? in (c)? 1) List 2 advantages and a disadvantage of each of the measures of central tendency. 2) Calculate the variance and standard deviation for the following sample: 7 4 5 2 5 9 4 8 3 8 3) Calculate the variance and standard deviation for the following population: 7 4 5 2 5 9 4 8 3 8 4) A population of N=40 scores has a mean of m=12. What is ∑X for this population? |