What is his standard score

Assignment Help Basic Statistics

Reference no: EM13240956

Dr Zak developed a test to measure depression. He sampled 100 university students to take his five item test. The group of students was comprised of 30 men and 70 women. In this group four persons were African American, six persons were Hispanic and one person was Asian. There were five yes/no questions Yes =1 and No =0. The five items are summed giving a total score of 5, where the mean was 3.5 and the standard deviation is .5.

Billy scores a 5, what is his standard score ?

Reference no: EM13240956

Questions Cloud

State the two- tailed test for zero slope : In the following regression, X = total assets ($ billions), Y = total revenue ($ billions), and n = 64 large banks. (a) Write the fitted regression equation.

Explain the millikan experiment using charged oil drops : What sign. info about atomic structure came from the Millikan experiment using charged oil drops

Find the electric potential energy of the system of charges : a point charge q = +87.1 micro coulombs is held fixed at the origin. A second charge, with mass m = 0.0576 kg and charge q = +3.5 micro coulombs, Find the electric potential energy of the system of charges

Statistical analysis and calculations must be shown : A stockbroker at Critical Securities reported that the mean rate of return on a sample of 10 oil stocks was 12.6 percent with a standard deviation of 3.9 percent. The mean rate of return on a sample of 8 utility stocks was 10.9 percent with a standar..

What is his standard score : Dr Zak developed a test to measure depression. He sampled 100 university students to take his five item test. The group of students was comprised of 30 men and 70 women. In this group four persons were African American, six persons were Hispanic and ..

Explain solution of ethylene glycol in water : What is the mass percent of ethylene glycol (C2H6O2) in a solution of ethylene glycol in water that has a freezing point of -15C? (Kf for water is 1.858C/m.)

Find the mass of the entire train : A train has 4 locomotives (73 tons each) and 60 coal cars (42 tons each). The train is going down a 2.4% incline, What is the mass of the entire train

Is the true mean greater than 10 : Faced with rising fax costs, a firm issued a guideline that transmissions of 10 pages or more should be sent by 2-day mail instead. Exceptions are allowed, but they want the average to be 10 or below. The firm examined 35 randomly chosen fax transmis..

Find out value for the ionization energy of hydrogen : The energy for the process (H)+(energy) yields (H+)-(e-) is called the ionization energy of hydrogen. The experimentally determined value for the ionization energy of hydrogen is 1310 kJ/mol. How does this compare to your calculation

User Account

All Pages