- Descriptive Statistics
- Quantative Analysis of Data
Simple random sample of weights of women
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7-9. Use the simple random sample of weights of women from a data set, we obtain these sample statistics:
X = 141.38 lbs
Research from other sources suggest that the population of weights of women has a standard deviation given by o = 31.95 lb.
a. Find the best point estimate of the mean weight of all women. (The best point estimate is ___ lbs)
b. Find a 90% confidence interval estimate is ___ lb < u < ___ lb.
SEE ATTACHMENT X has a - line over it.
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The solution examines a simple random sample of weights of women. The best point estimate of the mean weight is determined.