State the null and alternative hypotheses state the

Assignment Help Basic Statistics

Reference no: EM13624344

It is speculated that statistics classes in community college has a retention rate of 65% (this is the percentage of students who complete the course). A Cañada College teacher seems to think that his retention rate is significantly better than 65%. He collected data from his past classes and found that out of 270 students, his retention rate was 76.7%. At the 0.01 significance level, test the claim that this teacher's retention rate is significantly greater than 65%.

a) State the null and alternative hypotheses.

b) State the distribution that you will use.

c) Find the test statistic and use the appropriate variable.

d) Find the p-value.

e) Reject -or- Fail to Reject?

f) State your actual conclusions in words.

g) Construct a 98% confidence interval.

Reference no: EM13624344

Questions Cloud

Propane in a steel bottle of volume 01 m3 has a quality of : propane in a steel bottle of volume 0.1 m3 has a quality of 10 at a temperature of 15 c. use the generalized

The pressure inside a system varies inversely with the : the pressure inside a system varies inversely with the square of the system volume. determine work required to compress

A 2 kg block resting on a frictionless surface is attached : a 2 kg block resting on a frictionless surface is attached to a spring k 700nm . a 1 kg block slides along the surface

What is the work done on the bullet how does this change if : a 9 mm xian short-barreled experimental pistol is fired and the explosive gases push the friction-free bullet out of

State the null and alternative hypotheses state the : it is speculated that statistics classes in community college has a retention rate of 65 this is the percentage of

A measure of the stiffness of a linear actuator system is : a measure of the stiffness of a linear actuator system is the amount of force required to cause a certain linear

What are the entropy generation and exergy destruction for : 10 kg of cu and 10 kg of steel both at 95 c are dropped into identical tanks of water 10 kg 25 c 1 bar.a what is the

What is the current flowing through the collider please : in the relativistic heavy ion collider in brookhaven ny physicists are attempting to recreate the conditions of the big

During the process there is heat transfer to the steam with : 5 kg of steam contained within a piston-cylinder assembly undergoes an expansion from state 1 where the specific

User Account

All Pages