Variability Concepts
Variability Calculations
Hypothesis Testing
Significance Tests
100
List a set of values with a low, but not zero, standard deviation.
Any list of values that are close together.
100
Determine N for the following data set: 1, 3, 5, 7, 9.
N = 5
100
The hypothesis that states there is no relationship between the variables.
null hypothesis or H0
100
Minimum percentage that indicates statistical significance
95%
200
List a set of numbers with a zero standard deviation.
Any list that repeats the same number.
200
What is the formula for SD?
200
a clear, concise and detailed definition of a measure
operational definition
200
p = .03
a. This indicates what level (percent) of confidence?
b. Are the results significant?
97%
300
Describe the variation in height of each of these celebrity couples. low, high or zero.
high
300
Find the SS of 2, 4 and 6.
SS = 8
300
accepting H0 when it is actually false
Type II error
300
Significance test used for 2 quantitative variables
correlation
400
a. Why is the range inaccurate?
b. Name 1 better way to measure how spread out a set of values is.
a. It doesn't use all the values.
b. Variance OR Standard deviation
400
Compute the variance of 2, 4 and 9.
variance = 13
400
What consequence belongs in the gray box?
Type I error
400
What significance test can be used to determine if whether gender and favorite subject are related?
chi square test