Module 15 & 16

Question 1

the goal is to describe, summarize, or make sense of a particular set of data

Answer 1

descritpive statistics

Question 2

mean is largest

Answer 2

positively skewed

Question 3

mean is smallest

Answer 3

negatively skewed

Question 4

researchers want to estimate the characteristics of populations based on their sample data

Answer 4

estimation

Question 5

involves using a single number as the estimate of the population parameter

Answer 5

point estimation

Question 6

includes a range of numbers believed to contain the population parameter

Answer 6

interval estimation

Question 7

predicts no difference or no relationship in the population

Answer 7

null hypothesis

Question 8

states that the population parameter is some value other than the value sated by the null hypothesis

Answer 8

alternative hypthesis

Question 9

when researchers engage in hypothesis testing, they are also checking for statisitcal significance

Answer 9

significance testing

Question 10

t test for independent samples, and t test for correlation coefficients, the analysis of variance, and the chi-square test for contingency tables

Answer 10

different types