Can you conduct this chi-square test? If not Why?
Expected values
5 3 .2 6 7
All expected must be >1
100
We will write on the board
What is a chi -square test
100
How many degrees of freedom does a chi square test have?
What is n-1
100
Ho: There is no association between level of hiking experience and direction
Ha: There is an association between level of hiking experience and direct
What is a chi square test of association
100
How many combined absences do we have
What is 19
200
Can you conduct this chi-square test with the following expected values. If not Why?
Expected values
8 5 6 3 2 1 4
No because more than 20% expected values are <5
200
We will also write on the board.
What is a two way table
200
How many degrees of freedom does a two way table have?
What is (row -1)(column -1)
200
Ho:The number of moose in each habitat type is proportional to the amount of acreage of that habitat
type.
Ha:The number of moose in at least one habitat type
is not proportional to the amount of acreage of that
habitat type
What is a chi square goodness of fit test
200
Which author of the textbook we used this year has Mrs. Dewees not met?
Who is David S. Moore
300
Can you conduct this chi-square test with the following expected values? If not, Why?
Expected Values
5 4 3 6 8 7 9
Yes
300
A measurement of how expectations compare to results
What is a chi square statistic
300
Finding the expected count for a chi square test requires?
What is a matrix
300
Has n-q degrees of freedom
What is chi square test
300
All 63,252,003,274,489,858,000 positions of a standard rubiks cube can be solved in ________ moves or less.
What is 20
400
Can you conduct this chi-square test with the following expected values. If not Why?
Expected values
12.5 13.4 15 19
No because data must be whole numbers
400
An arrangement of the values that one or more variables take in a sample. Each entry in the table contains the frequency or count of the occurrences of the values within ta particular group or interval.
What is a two way table
400
The critical value for df =9 and p = .05
What is 16.92
400
sum of ((observed - expected)^2)/(expected)
What is a chi square test
400
1 out of _______ Americans get electrocuted in their life.
What is 350,000
500
What is categorical
All variables must be __________ in order to perform a chi square test.
What is categorical
500
Define p
The probability of getting the results you did (or more extreme results) given that the null hypothesis is true.
500
Find expected values
Wins Draws Losses Total
---------|--------------------------|----------
Good | 11 6 4 | 21
Medium | 12 7 7 | 26
Bad | 7 7 14 | 28
---------|--------------------------|-----------
Total | 30 20 25 | 75
Wins Draws Losses Total
-----------|--------------------------|-----------
Good | 8.4 5.6 7.0 | 21
Medium |10.4 6.9 8.7 | 26
Bad |11.2 7.5 9.3 | 28
-----------|--------------------------|------------
Total | 30 20 25 | 75
500
A test that measures the complex interplay between attention, processing and retrieval of information, and execution of processes regarded as the domain of intelligence
What is an IQ test
500
There are _____ human body parts that are only 3 letters long