Question: Given the following observations in a simple random sample from a population that is approximately normally distributed, construct and interpret the 90% and 95% confidence

Given the following observations in a simple random sample from a population that is approximately normally distributed, construct and interpret the 90% and 95% confidence intervals for the mean:

67 79 71 98 74 70 59 102 92 96

Step by Step Solution

★★★★★

3.56 Rating (160 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

First compute the sample mean and standard deviation and a For a confidence level of 90 the righttai... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

522-M-S-O-T-S-E (444).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

The following data represent a simple random sample of n = 5 from three populations that are known to be normally distributed. Verify that the F-test statistic is 2.599. Sample 2 Sample 3 Sample 1 67...

A simple random sample of 5 months of sales data provided the following information: a. Develop a point estimate of the population mean number of units sold per month. b. Develop a point estimate of...

The following population is provided: Further, a simple random sample from this population gives the following values: Compute the sampling error for the sample mean in this situation. 17 15 8 12 9 7...

Biostatistics - Lehman College Homework I. The administrator of a physical therapy facility has found that postoperative performance scores on a knee flexibility test have tended to follow a normal...

Given the following observations In a simple random sample from a population that is approximately normally distributed construct and interpret the 90% and 95% confidence intervals for the mean: 67...

Given the following observations in a simple random sample from a population that is approximately normally distributed, construct and interpret the 90% and 95% confidence intervals for the mean: 67...

Given the following observations in a simple random sample from a population that is approximately normally distributed, construct and interpret the 93% confidence intervals for the mean:...

Given the following observations in a simple random sample from a population that is approximately normally distributed, construct and interpret the 95% and 99% confidence intervals for the mean: 66...

1. A machine that produces a major part for an airplane engine is monitored closely. In the past, 10% of the parts produced would be defective. With a .95 probability, the sample size that needs to...

1) Use the normal distribution to find a confidence interval for a proportion p given the relevant sample results. Give the best point estimate for p , the margin of error, and the confidence...

The index model has been estimated for stocks A and B with the following results: RA = 0.01 + 0.8RM+ eA. Rg = 0.02 + 1.2RM+ eB- OM = 0.20; 0(ea) = 0.20; 0(eg) = 0.10. The standard deviation for stock...

Inventory variations in a gas reservoir, a natural gas reservoir is to be supplied from a pipeline at a steady rate of go w 1 lb m /hr. During a 24-hour period, the fuel demand from the reservoir, w...

A portfolio with three investments. Portfolios often contain more than two investments. The rules for means and variances continue to apply, though the arithmetic gets messier. A portfolio containing...

We know that DB plans have required levels of funding. Is there a type of DC plan that also has required funding?

A study of restaurant failure rates that tracked turnover among 2500 restaurants in Columbus, Ohio, over a three-year period found that one in four restaurants close or change ownership within their...

A technique called 3-D seismic attribute analysis has been used over the past decade to improve the exploration and development of new oil wells in the US. A three-year study done in Kansas reported...

A psychological exam was given to 50 professional athletes. Scores are given below: Score Number of Athletes 20. 8 30. 18 40. 12 50. 6 60. 4 70. 2 50 a. If you pick one of these athletes at random,...

A population consists of the following five values: 10, 10, 38, 37, 13. b. By listing all samples of size 3, compute the mean of the distribution of the sample mean and the population mean. Compare...

A Mesophilic bacterium A utilizes glucose to produce an intracellular protein B and an extracellular byproduct C. The aerobic bacterium is metabolically active in the pH range of 6.9 7.2. A...

Consider a no-load mutual fund with $247 million in assets, 15 million shares and $36 million in debt at the start of the year. It invests in a portfolio that provides no income but increases price...