Statistics: Hypothesis Tests and
Chi Square Tests
The TMC Daily News reported that
the color distribution for plain N&N'S was: 40%brown, 20%yellow 20% orange,
10% green, and 10% tan. Each piece of candy in a random sample of 100 plain
N&N'S was classified according to color, and the results are listed low.
Use a 0.05 significance level to test the claim that the published color distribution
Color Brown Yellow Orange Green tan
Number 45 13 17 7 18
What is the Null Hypothesis?
What is the Alternate Hypothesis?
What is the degree of freedom for
this hypothesis test?
What is the numerical chi square
What is the numerical value of the
Chi Square test statistic?
What is the numerical Chi Square
Having completed the hypothesis
test, what is the appropriate decision?