Question

TABLE 12-4 A computer used by a 24-hour banking service is supposed to randomly assign each transaction to one of 5 memory locations. A check at the end of a day's transactions gave the counts shown in the table to each of the 5 memory locations, along with the number of reported errors. Memory Location Number of Reported Errors Number of Correct Transactions 12 10 92 71 68 83 The bank manager wanted to test whether the proportion of errors in transactions assigned to each of the 5 memory locations differ Referring to Table 12-4, the calculated value of the test statistic is O -0.0185. 1.207 1.500.

Answer 1

The statistical software output for this problem is:

Chi-Square test:

Statistic	DF	Value	P-value
Chi-square	4	1.4998935	0.8267

Hence,

Calculated value of test statistic = 1.500

Option D is correct.