c) Calculate the margin of error and confidence interval. (d) Interpret the confidence interval, in context.
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Suppose from random sample of 500 teenagers, the
standard deviation of 6.1. Use the four-step process to find a 90% confidence interval for the mean number of
sweaters owned by teenagers.
(c) Calculate the margin of error and confidence interval.
(d) Interpret the confidence interval, in context.
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