Mathematics, 13.04.2021 02:20, zoolo1

A manufacturer claims that the thickness of the spearmint gum it produces is 7.5 one-hundredths of an inch. A quality control specialist regularly checks this claim. On one production run, he took a random sample of n = 10 pieces of gum and measured their thickness. He obtained: 7.65 7.60 7.65 7.70 7.55
7.55 7.40 7.40 7.50 7.50
If the quality control specialist sets his significance level α at 0.05, will he support this claim?

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