You are conducting a Goodness of Fit hypothesis test for the claim that the 4 categories occur with the following frequencies:  H0 : pA=0.3;  pB=0.2;  pC=0.2;  pD=0.3  Give all answers as decimals rounded to 3 places after the decimal point, if necessary. Complete the table: Category Observed Frequency Expected Frequency A 30 Correct B 25 Correct C 20 Correct D 34 Correct What is the chi-square test-statistic for this data? Test Statistic: χ2= Correct For a significance of level alpha = 0.01, what is the chi-square critical value? Critical Value: χ2= Incorrect What would be the decision of this hypothesis test? Fail to reject H0   Reject H0

MATLAB: An Introduction with Applications
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You are conducting a Goodness of Fit hypothesis test for the claim that the 4 categories occur with the following frequencies:

 H0 : pA=0.3;  pB=0.2;  pC=0.2;  pD=0.3 

Give all answers as decimals rounded to 3 places after the decimal point, if necessary.

Complete the table:

Category Observed
Frequency
Expected
Frequency
A 30 Correct
B 25 Correct
C 20 Correct
D 34 Correct

What is the chi-square test-statistic for this data?
Test Statistic: χ2=

Correct

For a significance of level alpha = 0.01, what is the chi-square critical value?
Critical Value: χ2=

Incorrect

What would be the decision of this hypothesis test?

  • Fail to reject H0
  •  
  • Reject H0
  •  
Correct

 

Remember to round all answers to 3 places after the decimal point, if necessary.

 

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