An important part of any dispensing process is statistical quality control. Mach
ID: 3058255 • Letter: A
Question
An important part of any dispensing process is statistical quality control. Machines are supposed to dispense on average 600 ml of soda to every glass. At a random point each hour, the owner dispenses and checks a glass to determine the actual volume dispensed. One day the volumes are:
600.15 599.92 599.85 599.92
599.81 600.14 600.04 599.98
The computed sample mean is 599.98. Is there sufficient evidence to conclude that the average volume of soda dispensed is different than 600 ml? Test at alpha = 0.05. WHAT IS THE TEST STATISTIC?
-3.54
1.27
-0.45
0.5
A.)-3.54
B.)1.27
C.)-0.45
D.)0.5
Explanation / Answer
An important part of any dispensing process is statistical quality control. Machines are supposed to dispense on average 600 ml of soda to every glass. At a random point each hour, the owner dispenses and checks a glass to determine the actual volume dispensed. One day the volumes are:
600.15 599.92 599.85 599.92
599.81 600.14 600.04 599.98
The computed sample mean is 599.98. Is there sufficient evidence to conclude that the average volume of soda dispensed is different than 600 ml? Test at alpha = 0.05. WHAT IS THE TEST STATISTIC?
-3.54
1.27
-0.45
0.5
A.)-3.54
B.)1.27
C.)-0.45
D.)0.5
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