Math Problem Statement
Construct
aa
99%
confidence interval for the population standard deviation
sigmaσ
at Bank B.
Solution
Ask a new question for Free
By Image
Drop file here or Click Here to upload
Math Problem Analysis
Mathematical Concepts
Confidence Intervals
Standard Deviation
Chi-Square Distribution
Formulas
Variance: s^2 = Σ(x_i - x̄)^2 / (n - 1)
Confidence Interval for Variance: ( (n-1)s^2 / χ²_upper , (n-1)s^2 / χ²_lower )
Confidence Interval for Standard Deviation: ( √(lower bound), √(upper bound) )
Theorems
Chi-Square Distribution Theorem
Suitable Grade Level
Undergraduate Statistics
Related Recommendation
99% Confidence Interval for Standard Deviation at Bank A Using Chi-Square
95% Confidence Interval for Standard Deviation at Bank A Using Chi-Square Distribution
99% Confidence Interval for Population Standard Deviation at Bank B
Hypothesis Testing: Chi-Square Test for Standard Deviation in Customer Waiting Times
95% Confidence Interval for Population Standard Deviation of Traffic Speeds