Find interval for average examination score of population

Assignment Help Basic Statistics

Reference no: EM13137583

A random sample of 49 statistics examinations was taken. The average score, in the sample, was 84 with a sample standard deviation of 3.5. The 95% confidence interval for the average examination score of the population of the examinations is?

Reference no: EM13137583

Questions Cloud

What proportion of tires will last less than miles : The lifetime of a certain brand of tire has a mean of 43,000 miles and a standard deviation of 6,000 miles. The lifetime distribution closely follows a normal distribution. What proportion of tires will last less than 50,000 miles?

What is the ending balance of projected benefit obligation : what is the ending balance of the projected benefit obligation.

Zproviding quality health care services to the community : Health care managers are charged with providing quality health care services to the community in efficient and effective ways. Managers strive to deliver quality care through their planning, organizing, and controlling efforts.

Calculate the output and profits of both firms : Calculate consumer surplus in the case of entry deterrence and in the case of entry accommodation. Which situation leads to the largest consumer surplus?

Find interval for average examination score of population : The average score, in the sample, was 84 with a sample standard deviation of 3.5. The 95% confidence interval for the average examination score of the population of the examinations is?

Investment in human and social capital : In examining the issue of human and social capital, as a necessary investment by specific public policies, as well as business, the basic thesis of this author is that investment in both social and human capital is something which needs to be enco..

Explain volumetric flow rate : Air enters a 0.6 m diameter fan at 16 deg C, 101 kPa, and is discharged at 18 deg C, 105 kPa, with a volumetric flow rate of 0.35 m^3/s.

How you lower tax rates but not amount of revenue collected : How do you lower tax rates but not the amount of revenue collected by the Treasury. If the tax rates are lowered does that not mean that the amount received by the Treasury would also be lowered?

Inter-agency cooperation issues : Is the fusing of intelligence a continues issue? There have been numerous instances in which DHS has experienced turf wars with the Central Intelligence Agency (CIA) and the DoD

User Account

All Pages