An EWMA chart is used to monitor a temperature in a pharmaceutical process. An automated measurement is obtained selected every minute and added to the EWMA chart. Experience indicates that o= 0.5 °F. The process target (process mean when in control) is 72 °F. The EWMA uses a lamda value A=0.3. If the accumulated value of the EWMA at the end of measurement 47 is Z47= 72.165 and measurement 48 is equal to X4s = 72.466, what will be the accumulated value of the EWMA at the end of measurement 48, that is ZAs =? 72.255 72.240 72.270 72.285 72.225 not enough information O 0O O OO

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An EWMA chart is used to monitor a temperature in a pharmaceutical process. An automated measurement is obtained selected every minute and added to the
EWMA chart. Experience indicates that o = 0.5 °F. The process target (process mean when in control) is 72 °F. The EWMA uses a lamda value 1=0.3. If the
accumulated value of the EWMA at the end of measurement 47 is Z17 = 72.165 and measurement 48 is equal to X49 = 72.466, what will be the accumulated
value of the EWMA at the end of measurement 48, that is ZAg = ?
72.255
72.240
72.270
72.285
72.225
not enough information
Transcribed Image Text:An EWMA chart is used to monitor a temperature in a pharmaceutical process. An automated measurement is obtained selected every minute and added to the EWMA chart. Experience indicates that o = 0.5 °F. The process target (process mean when in control) is 72 °F. The EWMA uses a lamda value 1=0.3. If the accumulated value of the EWMA at the end of measurement 47 is Z17 = 72.165 and measurement 48 is equal to X49 = 72.466, what will be the accumulated value of the EWMA at the end of measurement 48, that is ZAg = ? 72.255 72.240 72.270 72.285 72.225 not enough information
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