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anzhelika [568]
2 years ago
7

The results of a series of surveys revealed a population with a mean of 4.73 and a standard deviation of 0.865. If each survey h

as a sample size of 200, which value falls within the interval where 95% of the sample means occur?
Mathematics
1 answer:
satela [25.4K]2 years ago
4 0

The given sample's confidence interval is 4.73 ± 0.1199, or from 4.61 to 4.85

<h3>What is the z score?</h3>

The z-score is a numerical assessment of a value's connection to the mean of a set of values, expressed in terms of standards from the mean, that is used in statistics.

Given data;

Mean  = 4.73

Standard deviation  = 0.865

Sample size  = 200

interval  = 95%

Confidence interval=?

95% of samples contain the population mean (μ) within the confidence interval of 4.73 ± 0.1199.

Hence, the sample's confidence interval is 4.73 ± 0.1199, from 4.61 to 4.85

To learn more about the Z score, refer to;

brainly.com/question/15016913

#SPJ1

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