Determine required sample size for standard iq test

Reference no: EM13135913

The standard IQ test has a mean of 100 and a standard deviation of 13. We want to be 98% certain that we are within 2 IQ points of the true mean. Determine the required sample size.

Reference no: EM13135913

Questions Cloud

Calculate the quantity of gas, in moles : Calculate the quantity of gas, in moles, if 127 L at 55.0 C has a pressure of 11.35 kPa.

Company predetermined overhead rate problem : A company expected its annual overhead costs to be $ 600000 and direct labor costs to be $ 1000000. Actual overhead was $ 580000 and actual labor costs totaled $ 1100000. how much is the company's predetermined overhead rate to the nearest rent?

A rural medical centre in australia : A rural medical centre in Australia plans to improve its services to the community by providing telemedicine and healthcare. The centre has 4 doctors working at a given time and some patients travel over 100km to see a doctor.

Constitution and system of separation : Explain how the Constitution provides for a system of separation of powers and checks and balances.

Determine required sample size for standard iq test : The standard IQ test has a mean of 100 and a standard deviation of 13. We want to be 98% certain that we are within 2 IQ points of the true mean. Determine the required sample size.

Finished goods on hand : The following information is available for completed job: Direct materials,$60000; direct labor $ 90000,manufacturing overhead applied $ 45000, units produced 5000 units, units sold 4000 units. the cost of the finished goods on hand from this job ..

Should or should we not change the food industry? : Should or should we not change the food industry?

What is the activation energy for the reaction : The rate constant for a certain chemical reaction is 0.00250 M1 s1 at 25.0C and 0.0125 M1s1 at 50.0C. What is the activation energy for the reaction, expressed in kJ mol?

The assignment: "children need to play, not compete," : Summarize in 150-200 words the article from the assignment: "Children Need to Play, Not Compete,"

User Account

All Pages