EPPP Psychology

Category - Research Methods and Statistics

Start a Study Session Sign up for Question of the Day

In addition to being measured by central tendency, group data can be measured by variability in descriptive statistics. How is variance calculated?

Square root the standard deviation
Square the standard deviation
Square the range, then divide by number of scores
Square the standard deviation, then divide by number of scores

Explanation

Answer: B - Variance is standard deviation squared, so standard deviation must first be calculated to find the variance of a data set.

Was this helpful? Upvote!

Start a Study Session Sign up for Question of the Day

Most popular on PracticeQuiz

157 votes

An 8-year-old boy named Albert has a 10-year-old brother named Benny. Benny joins the service at 20 leaving Albert feeling bitter that he no longer has a brother to look up to. After 7 years, Albert is finally ready to make up with Benny who has been out of the service for 5 years. How old is Albert now? GED Exam Prep: Math
120 votes

The lymphatic system contains four organs: Medical Coding Exam Prep
79 votes

Using motivation from ‘within’ is called ______________. CPCE Exam Prep
74 votes

“A set of specialized organizational capabilities for providing value to customers in the form of services” is the official definition of: IT Service Management Foundation Practice Test
72 votes

Which are the most serious adverse effects associated with Lithium? MACE Medication Assistant Exam Prep

EPPP Psychology

Top questions

Related questions

Most popular on PracticeQuiz

Ad-Blocker not supported

EPPP Psychology

Top questions

Related questions

Most popular on PracticeQuiz