Use the following information for questions:
For a random sample of n = 203 adults in a survey, here is a summary of responses to "How long did you sleep last night?"
-What confidence level would be associated with the interval 6.42 - 0.11 as a confidence interval for the population mean $\mu$?
A) 50%
B) 68%
C) 90%
D) 95%

Question

Use the following information for questions:
 For a random sample of n = 203 adults in a survey, here is a summary of responses to "How long did you sleep last night?" 
-What confidence level would be associated with the interval 6.42 - 0.11 as a confidence interval for the population mean $\mu$?
A) 50% 
B) 68% 
C) 90% 
D) 95%

Quizplus · Accepted Answer

The interval 6.42 ± 0.11 is a typical format for expressing a confidence interval, where 6.42 is the sample mean and 0.11 is the margin of error. This format closely resembles the structure of a 68% confidence interval, which is based on one standard deviation from the mean in a normal distribution, capturing about 68% of the data points.

Use the Following Information for Questions: for a Random μ\muμ

Use the Following Information for Questions:
for a Random $\mu$