A grand piano can weighton. How many ounces can a grand piano weigh?
1 answer:
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To find the test statistic or z-score given sample number (n), sample mean (x), standard deviation (σ), and population mean (μ), we can use
Given that n = 36, x = 24.6, μ = 20, and σ = 12,
From this, we see that the test statistic is 2.3.
Answer: 2.3
Given that n = 36, x = 24.6, μ = 20, and σ = 12,
From this, we see that the test statistic is 2.3.
Answer: 2.3