Telephone inquiries of 100 IRS "customers" are monitored daily at random. Incidents of incorrect information or other nonconform
ities (such as impoliteness to customers) are recorded. The data for last week follow: Day 1 2 3 4 5 No. of Nonconformities 8 8 23 19 15 a) Using 3 standard deviations, the c-chart for the nonconformities is: UCLc = nonconformities (round your response to two decimal places).LCLc = nonconformities (round your response to two decimal places and if your answer is negative, enter this value as 0).b) b) According to c-chart, there (is significant/Not significant) variation in the incidents of incorrect information given out by the IRS telephone operators
Well you would use slope-intercept formula: . Then you need to plug in your numbers so it would look like . then it would look like and that would be your m. The next step would be to