Can you please explain me this Question? Thanks! Construct a 95% confidence interval for the mean...
Can you please explain me this Question? Thanks!
Construct a 95% confidence interval for the mean of a population if n=25, x̅= 42.3 and σ= 3.2. Assume the mean is normally distributed.
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Can you please explain me this Question? Thanks!
Construct a 95% confidence interval for the mean...
Please Help I need the answers to below. Question 2: Construct a 95% confidence interval for...
Please Help I need the answers to below. Question 2: Construct a 95% confidence interval for the population mean. Assume that your data is normally distributed and σ is unknown. Include a statement that correctly interprets the confidence interval in context of the scenario. Calculations/Values Formulas/Answers Mean 72,224.34 Standard Deviation 22,644.46 n 364 Critical Value Margin of Error Lower Limit Upper Limit Question 3 construct a 99% confidence interval for the population mean. Assume that your data is normally distributed...
Construct the indicated confidence interval for the population mean μ using the t-distribution
X6.2.9-TConstruct the indicated confidence interval for the population mean μ using the t-distribution. Assume the population is normally distributed c = 0.90, x̅ = 12.9, s = 4.0, n = 9 The 90% confidence interval using a t-distribution is 6.2.17-T In a random sample of 26 people, the mean commute time to work was 34.8 minutes and the standard deviation was 7.2 minutes. Assume the population is normally distributed and use a t-distribution to construct a 98% confidence interval for the population mean μ...
Construct the indicated confidence interval for the population mean mu using the t-distribution.
Construct the indicated confidence interval for the population mean mu using the t-distribution. Assume the population is normally distributed. c = 0.99, x̅ =12.1, s = 4.0, n = 7
Use the standard normal distribution or the t-distribution to construct a 95% confidence interval for the...
Use the standard normal distribution or the t-distribution to construct a 95% confidence interval for the population mean. Justify your decision. If neither distribution can In a recent season, the population standard deviation of the yards per carry for all running backs was 1.21. The yards per carry of 25 randomly selected running backs 2.8 be used, explain why. Interpret the results are shown below. Assume the yards per carry are normally distributed 2.7 3.7 4.7 7.1 3.7 5.9 2.5...
Construct a 95% confidence interval to estimate the population mean using the following data: x̅=38,s=8.5, n=25...
Construct a 95% confidence interval to estimate the population mean using the following data: x̅=38,s=8.5, n=25 (show work) Margin of error=_______ Confidence interval=_______ What assumption (if any) did you have to make to construct this interval? ______
Construct a 95% confidence interval for the population standard deviation σ of a random sample of...
Construct a 95% confidence interval for the population standard deviation σ of a random sample of 15 crates which have a mean weight of 165.2 pounds and a standard deviation of 12.9 pounds. Assume the population is normally distributed
And construct a 95% confidence interval for the population mean for sample B 8.2.13-1 95% confidence...
And construct a 95% confidence interval for the population mean
for sample B
8.2.13-1 95% confidence interval for the population mean for each of the samples below plain why these Assuming that the population is normally distributed, construct a two samples produce differen t confidence intervals even though they have the same mean and range Full dataset SampleA: 1 1 4 4 5 5 8 8 Sample B: 1 2 3 45 6 7 8 Construct a 95% confidence interval...
Use the standard normal distribution or the t-distribution to construct a 99% confidence interval for the...
Use the standard normal distribution or the t-distribution to construct a 99% confidence interval for the population mean. Justify your decision. If neither distribution can be used, explain why. Interpret the results. In a recent season, the population standard deviation of the yards per carry for all running backs was 1.21. The yards per carry of 25 randomly selected running backs are shown below. Assume the yards per carry are normally distributed. 3.2 6.8 6.1 3.6 6.3 7.1 6.4 5.5...
Assuming that the population is normally distributed, construct a 95% confidence interval for the population mean,...
Assuming that the population is normally distributed, construct a 95% confidence interval for the population mean, based on the following sample size of .n=7. 1, 2, 3, 4, 5, 6, and 15 <-----this is the data In the given data, replace the value 15 with 7 and recalculate the confidence interval. Using these results, describe the effect of an outlier (that is, an extreme value) on the confidence interval, in general. Find a 95% confidence interval for the population mean,...
You want to construct a 95% confidence interval for the performance of a large population of...
You want to construct a 95% confidence interval for the performance of a large population of mutual funds. Assume returns are independent across funds, and the standard deviation of fund returns is 8.1 %. If you want the width of your interval to be 2.4 %, what sample size must you collect? Assume sample is large enough that the sample mean is normally distributed. Enter answer as the smallest integer sample that will accomplish your objective. I need it to...
Use the standard normal distribution or the t-distribution to construct a 95% confidence interval for the population mean. Justify your decision. If neither distribution can In a recent season, the population standard deviation of the yards per carry for all running backs was 1.21. The yards per carry of 25 randomly selected running backs 2.8 be used, explain why. Interpret the results are shown below. Assume the yards per carry are normally distributed 2.7 3.7 4.7 7.1 3.7 5.9 2.5...
And construct a 95% confidence interval for the population mean
for sample B
8.2.13-1 95% confidence interval for the population mean for each of the samples below plain why these Assuming that the population is normally distributed, construct a two samples produce differen t confidence intervals even though they have the same mean and range Full dataset SampleA: 1 1 4 4 5 5 8 8 Sample B: 1 2 3 45 6 7 8 Construct a 95% confidence interval...
Use the standard normal distribution or the t-distribution to construct a 99% confidence interval for the population mean. Justify your decision. If neither distribution can be used, explain why. Interpret the results. In a recent season, the population standard deviation of the yards per carry for all running backs was 1.21. The yards per carry of 25 randomly selected running backs are shown below. Assume the yards per carry are normally distributed. 3.2 6.8 6.1 3.6 6.3 7.1 6.4 5.5...
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