Answer :

Full question attached

Answer:

UCL for x bar chart=7.145

LCL for x bar chart=4.874

Explanation:

Please find answer attached

${teks-lihat-gambar} buchinnamani208
${teks-lihat-gambar} buchinnamani208
${teks-lihat-gambar} buchinnamani208
${teks-lihat-gambar} buchinnamani208

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