When the GSS asked n = 1050 people in 2012, About how many hours per week do
Question:
a. What is the margin of error at the 95% confidence level for the point estimate of the mean number of hours?
b. Interpret the 95% confidence interval shown in context.
c. The distribution of hours spent is right-skewed (e.g., the minimum of zero hours is only 0.5 standard deviations below the mean, but the largest value of 168 hours has a z-score larger than 12). Is this a concern for the validity of the confidence interval? Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Related Book For
Statistics The Art And Science Of Learning From Data
ISBN: 9780321997838
4th Edition
Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg
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