Assume that population means are to be estimated from the sample described. Use the sample results...

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Assume that population means are to be estimated from the sample described. Use the sample results...

Assume that population means are to be estimated from the sample described. Use the sample results to approximate the margin of error and 95% confidence interval.

Sample size = 1030

Sample mean = $46,228

Sample Standard Deviation = $25,000

1) the margin of error is $ ?

2) find the 95% confidence interval ?

math Statistics-And-Probability

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Answer 1

Answer #1

Fvom the given data Sample Mean - qy%, 928 standard deviahon σ- as,000. s 1- confidente ZOooa5 I.q Cfrom z table 1o96 x &Sooo 1oso O3O E. 1536-781S Limits of 95% confdente. Întewal a 44,101 2165

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Assume that population means are to be estimated from the sample described. Use the sample results...

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