from a normal distribution: 7 9 1 7 14 15 14 20 15 6 2 (a) Construct a 90% confidence interval for the population mean μ. ≤μ≤ (b) Construct a 95% confidence interval for the population mean μ. ≤μ≤ q2) The data below represent a random sample of 9 scores on a statistics quiz. (The maximum possible score on the quiz is 10.) Assume that the scores are normally distributed with a standard deviation of 2.3. Estimate the population mean with 90% confidence. 7,9,8,5,4,8,2,9,87,9,8,5,4,8,2,9,8
q1)the following random sample was selected from a normal distribution:
7 9 1 7 14 15 14 20 15 6 2
(a) Construct a 90% confidence interval for the population
≤μ≤
(b) Construct a 95% confidence interval for the population mean μ.
≤μ≤
q2)
The data below represent a random sample of 9 scores on a statistics quiz. (The maximum possible score on the quiz is 10.) Assume that the scores are
Note: For each confidence interval, enter your answer in the form (LCL, UCL). You must include the parentheses and the comma between the confidence limit
confidience interval=
Step by step
Solved in 3 steps with 2 images