Number of days absent per term for all the students

Assignment Help Applied Statistics

Reference no: EM13814928

A random sample of [n=64 children] of working mothers showed that they were absent from school a sample average of [x=5.3] days per term, with a standard deviation [s=1.8 days]. Provide a 96% confidence interval for the average number of days absent per term for all the students.

a. 5.2321 days to 5.3762 days

b. 4.8151 days to 5.7543 days

c. 4.8387 days to 5.7613 days

d. 4.7722 days to 5.8392 days

e. None of the above answers is correct.

Reference no: EM13814928

Questions Cloud

Airtran airways and southwest airlines : AirTran Airways and Southwest Airlines were among the leaders in on-time arrivals, with both having 88% of their flights arriving on time. But for the 12% of flights that were delayed, how many minutes were these flights late? Sample data showing the..

Determine the inheritance rights of the twins : Woodward r=then filed a paternity action in Massachusetts, and the probate court determined that Warren Woodward was the twin's father. She then filed an action in court to determine the inheritance rights of the twins

What are the potential ethical issues involved : What are the potential ethical issues involved

Water specimens contain nitrates : Water specimens contain nitrates, a solution that is dropped into the water will cause the specimen to turn red 95% of the time. When used on water specimens without nitrates, the solution turns the water red 10% of the time. Past experience in the l..

Number of days absent per term for all the students : A random sample of [n=64 children] of working mothers showed that they were absent from school a sample average of [x=5.3] days per term, with a standard deviation [s=1.8 days]. Provide a 96% confidence interval for the average number of days absent..

Firebrick tire company wants to increase sales : Firebrick Tire Company wants to increase sales of its long running, low-end Roadmaster Tire brand with anew advertising campaign promoting they will last at least 28,000 miles [Mu=28,000 miles]. Tests with arandom sample [n=30 tires] show a sample m..

Write a paper about criminal justice union issues : Write a paper about Criminal justice union issues and then discuss its significance for conflict diagnosis and conflict resolution.

How the effectiveness of these training methods be evalated : How will these training methods and techniques be implemented in the organization? Explain. How will the effectiveness of these training methods be evaluated? Explain

About conformity in groups : Conformity in Groups

User Account

All Pages