Multiple Choice
Consider a data sample consisting of 12 values with a mean of 22 and variance of 1.5. What is the approximate 95% confidence interval for the standard deviation?
A) 0.75 < σ < 4.32
B) 0.87 < σ < 2.08
C) 1.02 < σ < 2.87
D) 1.03 < σ < 8.26
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q21: The critical t-value represented by t<sub>0.025(2),20</sub> is
Q22: In tables of critical t-values, what value
Q23: When a one sample t-test rejects the
Q24: Consider two t-distributions overlaid on the same
Q25: Which of the following does not describe
Q27: Consider a situation in which Jamal measures
Q28: If we have a sample of 11
Q29: Calculation of the confidence intervals for variance
Q30: For a sample of 8 values, what
Q31: If the 95% confidence interval of the