Question
In: Statistics and Probability
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate
μ from the following data. State the point estimate.
Assume the data come from a normally distributed
population.
| 13.7 | 11.6 | 11.9 | 12.5 | 12.5 | 11.4 | 12.0 |
| 11.7 | 11.8 | 13.7 |
Appendix A Statistical Tables
(Round the intermediate values to 4 decimal places.
Round your answers to 2 decimal places.)
90% confidence interval:
≤ μ ≤
95% confidence interval:
≤ μ ≤
99% confidence interval:
≤ μ ≤
The point estimate is
.
Solutions
Expert Solution
The 90% confidence interval is 
The 95% confidence interval 
The 99% confidence interval 
The point estimate is 
-------------------------------------------------------------------------------------------------------------------------------------------------------
We shall calculate the mean and sd from the data. We shall make use of the following table of squares and sum.
| x | x^2 | |
| 13.7 | 187.69 | |
| 11.6 | 134.56 | |
| 11.9 | 141.61 | |
| 12.5 | 156.25 | |
| 12.5 | 156.25 | |
| 11.4 | 129.96 | |
| 12 | 144 | |
| 11 | 121 | |
| 11.8 | 139.24 | |
| 13.7 | 187.69 | |
| Total | 122.1 | 1498.25 |
The confidence interval for the mean is given by 
The 90% confidence interval is 
95% confidence interval 
99% confidence interval 
The 90% confidence interval is
The 95% confidence interval
The 99% confidence interval
The point estimate is
orchestra answered 2 years agoRelated Solutions
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate μ
from the following data. State the point estimate. Assume the data
come from a normally distributed population. 12.9 11.6 11.9 12.2
12.5 11.4 12.0 11.7 11.8 12.9
(Round the intermediate values to 4 decimal places. Round your
answers to 2 decimal places.)
90% confidence interval: ?≤ μ ?≤
95% confidence interval: ?≤ μ? ≤
99% confidence interval:? ≤ μ ?≤
The point estimate is?
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate
μ from the following data. State the point estimate.
Assume the data come from a normally distributed
population.
13.2
11.6
11.9
12.5
12.5
11.4
12.0
11.7
11.8
13.2
Appendix A Statistical Tables
(Round the intermediate values to 4 decimal places.
Round your answers to 2 decimal places.)
90% confidence interval: enter the lower limit of the 90%
confidence interval ≤ μ ≤ enter the upper limit
of the 90% confidence interval
95%...
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate
μ from the following data. State the point estimate.
Assume the data come from a normally distributed
population.
11.9
11.6
11.9
13.0
12.5
11.4
12.0
11.7
11.8
11.9
Appendix A Statistical Tables
(Round the intermediate values to 4 decimal places.
Round your answers to 2 decimal places.)
90% confidence interval: enter the lower limit of the 90%
confidence interval ≤ μ ≤ enter the upper limit
of the 90% confidence interval
95%...
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate μ
from the following data. State the point estimate. Assume the data
come from a normally distributed population. 12.3 11.6 11.9 12.9
12.5 11.4 12.0 11.7 11.8 12.3 (Round the intermediate values to 4
decimal places. Round your answers to 2 decimal places.) 90%
confidence interval: enter the lower limit of the 90% confidence
interval ≤ μ ≤ enter the upper limit of the 90% confidence interval
95% confidence interval: enter...
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate
μ from the following data. State the point estimate.
Assume the data come from a normally distributed
population.
12.5
11.6
11.9
12.5
12.5
11.4
12.0
11.7
11.8
12.5
Appendix A Statistical Tables
(Round the intermediate values to 4 decimal places.
Round your answers to 2 decimal places.)
90% confidence interval:
≤ μ ≤
95% confidence interval:
≤ μ ≤
99% confidence interval:
≤ μ ≤
The point estimate is
.
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate
μ from the following data. State the point estimate.
Assume the data come from a normally distributed
population.
11.8
11.6
11.9
13.0
12.5
11.4
12.0
11.7
11.8
11.8
Appendix A Statistical Tables
(Round the intermediate values to 4 decimal places.
Round your answers to 2 decimal places.)
90% confidence interval: enter the lower limit of the 90%
confidence interval ≤ μ ≤ enter the upper limit
of the 90% confidence interval
95%...
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate
μ from the following data. State the point estimate.
Assume the data come from a normally distributed
population.
13.0
11.6
11.9
12.4
12.5
11.4
12.0
11.7
11.8
13.0
Appendix A Statistical Tables
(Round the intermediate values to 4 decimal places.
Round your answers to 2 decimal places.)
90% confidence interval: enter the lower limit of the 90%
confidence interval ≤ μ ≤ enter the upper limit
of the 90% confidence interval
95%...
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate
μ from the following data. State the point estimate.
Assume the data come from a normally distributed
population.
13.0
11.6
11.9
12.4
12.5
11.4
12.0
11.7
11.8
13.0
Appendix A Statistical Tables
(Round the intermediate values to 4 decimal places.
Round your answers to 2 decimal places.)
90% confidence interval: enter the lower limit of the 90%
confidence interval ≤ μ ≤ enter the upper limit
of the 90% confidence interval
95%...
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate
μ from the following data. State the point estimate.
Assume the data come from a normally distributed
population.
12.5
11.6
11.9
12.4
12.5
11.4
12.0
11.7
11.8
12.5
(Round the intermediate values to 4 decimal places.
Round your answers to 2 decimal places.)
90% confidence interval: enter the lower limit of the 90%
confidence interval_____ ≤ μ ≤_____
95% confidence interval: enter the lower limit of the 95%
confidence interval_____ ≤...
Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the...
Construct 90%, 95%, and 99% confidence intervals to estimate
μ from the following data. State the point estimate.
Assume the data come from a normally distributed
population.
13.1
11.6
11.9
12.8
12.5
11.4
12.0
11.7
11.8
13.1
(Round the intermediate values to 4 decimal places.
Round your answers to 2 decimal places.)
90% confidence interval: enter the lower limit of the 90%
confidence interval ≤ μ ≤ enter the upper limit
of the 90% confidence interval
95% confidence interval: enter the...
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