What is the total value of the test statistic?  Express the answer without rounding, since the answer is a terminating decimal.  As a courtesy, here is the expanded distribution with observed and expected values. Payment Method Cash Check Credit Card Debit Card Food Stamps Observed Frequency 119 107 71 55 48 Expected Frequency 80 80 80 80 80   Copy the table into a spreadsheet to perform the following calculations: Subtract the expected value from each corresponding observed value:  Square each difference:  Divide each squared difference by its expected value:   Sum all those quotients:

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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What is the total value of the test statistic?  Express the answer without rounding, since the answer is a terminating decimal.  As a courtesy, here is the expanded distribution with observed and expected values.

Payment Method

Cash

Check

Credit Card

Debit Card

Food Stamps

Observed

Frequency

119

107

71

55

48

Expected

Frequency

80

80

80

80

80

 

Copy the table into a spreadsheet to perform the following calculations:

  1. Subtract the expected value from each corresponding observed value: 
  2. Square each difference: 
  3. Divide each squared difference by its expected value:  
  4. Sum all those quotients:   
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