Conduct the test using given value

Reference no: EM131373434

An article in BusinessWeek says: "Today companies use a mere 40% of their space." Suppose you want to disprove this claim, suspecting that it is an upward exaggeration.

A random sample of the percentage used space for companies is 38, 18, 91, 37, 55, 80, 71, 92, 68, 78, 40, 36, 50, 45, 22, 19, 62, 70, 82, 25. Conduct the test using α = 0.05.

Reference no: EM131373434

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