The Percentage Rates of Home Ownership for 8 Randomly Selected $1.93 < \sigma ^ { 2 } < 39.48$

question 118

Multiple Choice

The percentage rates of home ownership for 8 randomly selected states are listed below. Estimate the population variance and standard deviation for the percentage rate of home ownership with
99% confidence. Assume the variable is normally distributed.
64.7 76.2 68.9 75.0 61.8 69.9 71.5 67.3

• A) \(1.93 < \sigma ^ { 2 } < 39.48\)
• \(1.39 < \sigma < 6.28\)
• B) \(8.22 < \sigma ^ { 2 } < 168.62\)
• \(2.87 < \sigma < 12.99\)
• C) \(1.68 < \sigma ^ { 2 } < 34.55\)
• \(1.30 < \sigma < 5.88\)
• D) \(9.40 < \sigma ^ { 2 } < 192.71\)
• \(3.07 < \sigma < 13.88\)

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