3. We are interested in seeing if 4-ounce chocolate bars are being accurately created to contain 4-ounces. Random samples of size 5 were taken and weighed. Eight hours of observation provided the following data: SHOW ALL WORK AND LEAVE ANSWERS OUT TO FOUR DECIMAL PLACES.a. Find the UCL for the R chart.               b. Find the LCL for the R chart.               c. Is this chart in control? Why/why not?3 . We are interested in seeing it 4-ounce chocolate bars are being accurately created to contain 4-ounces . Random samples ofsize 5 were taken and weighed . Eight hours of observation provided the following data .SampleMeanRange3. 910. 102.4.000. 133. 890. 154. 120. 103. 820. 20104.040. 124. 130. 2484.060. 18

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