Standard deviation of reaction times

Reference no: EM131852760

A psychologist wishes to estimate mean reaction time such that he can be 95% confident that X is not farther than 3 milliseconds (msec) away from his sample mean. The psychologist estimates that the standard deviation of reaction times is 15 msec.What size sample should he draw?

Reference no: EM131852760

Questions Cloud

Describe what you hear the way you hear music : You don't have to be too technical here. Describe what you hear the way you hear it. Try to use the concepts of melody, rhythm, harmony, etc.

What size sample should he draw : The psychologist estimates that the standard deviation of reaction times is 15 msec. What size sample should he draw?

Discuss the influence of geography on professions : Because this is a Geography class, EVERYONE is required to watch these FOUR short videos regardless of your major or career interests.

Depreciation for project with required investment : What is the NPV using the accelerated depreciation for project with required investment of $10,000, WACC 11%,

Standard deviation of reaction times : The psychologist estimates that the standard deviation of reaction times is 15 msec.What size sample should he draw?

What are your feelings on the project managers comments : What are your feelings on the project manager's comments that he must wait until the prototyping phase to assign probabilities and outcomes?

Confidence the difference between the two population means : The psychologist wants this difference to be within 5 msec of the difference between the sample means.

The minimum-variance portfolio of the two risky funds : What are the investment proportions in the minimum-variance portfolio of two risky funds. What is expected value and standard deviation of its rate of return?

Show all columns and all records in the membertype table : Display the first name, last name, city, state, and phone number for every member with the initials A.C. that lives in California.

User Account

All Pages