Ratio-interval-nominal and ordinal variables

Assignment Help Basic Statistics

Reference no: EM13104636

1. When is it appropriate to use stratified random sampling.

2. What is meant when we say that a process is in statistical control?

3. Discuss ratio, interval, nominal and ordinal variables.

4. Explain what is meant by a margin of error for a confidence interval.

Reference no: EM13104636

Questions Cloud

Determine disadvantages of buy american act : Determine two to four disadvantages of Buy American Act provides to small or large businesses that sell to the government. Speculate on why so many companies still sell to the government in spite of these disadvantages.

Calculate the force of gravity between earth and moon : calculate the force of gravity between the earth and the moon. moons mass=7.4x10^22 kg ; average earth moon distance =3.8x10^8 m. Express your answer to two significant figures and include appropriate units. F=G((m1m2)/d^2)

Paper-and-pencil mazing follows a normal distribution : The time needed for college students to complete a certain paper-and-pencil maze follows a Normal distribution, with a mean of 70 seconds and a standard deviation of 15 seconds.

Distinguish different stages of civil rights movement : Distinguish the different stages of civil rights movement. Make sure to incorporate the people, organizations, and strategies which contributed to successes and failures of movement.

Ratio-interval-nominal and ordinal variables : Discuss ratio, interval, nominal and ordinal variables. Explain what is meant by a margin of error for a confidence interval.

What is the disks maximum speed at amplitude : The ultrasonic transducer used in medical ultrasoundimaging, is a very thin disk ( m =0.10g) driven back and forth in SHM at 1.0 MHz by an electromagnetic coil.

Discuss methods to diagnose employee stress : Discuss methods to diagnose employee stress and the specific OD (organizational development practitioner) interventions aimed at alleviating it in the workplace.

How much later should younger runner start in order finish : An 18-year-old runner can complete a 10.0 km course with an average speed of 4.30 m/s. A 50-year-old runner can cover the same distance with an average speed of 3.85 m/s. How much later (in seconds) should the younger runner start in order to fini..

Difference between point estimate and interval estimate : What is the difference between a point estimate and an interval estimate? How would you calculate a confidence interval with a z test?

User Account

All Pages