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The advertised diameter of steel rods manufactured by a certain company is 50 mm. During a...

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Basic Math

The advertised diameter of steel rods manufactured by acertain company is 50 mm. During a routine check, five rods areselected randomly from a large lot and their diameters are measuredyielding the following values: 50.16, 50.27, 50.13, 50.22, 50.32.The diameter can be assumed to be at least approximately normallydistributed. At a 5% significance level, does the evidence suggestthat the diameter of rods manufactured by the company is not 50 mm?Report also a p-value.

Answer & Explanation Solved by verified expert
4.5 Ratings (612 Votes)
First enter Data into EXCELWe have to find the sample meanExcel command is AVERAGESelect datasample mean Now we have to find    See Answer
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