Mathematics

Question 1 (1 point)

 

If you have a distribution of scores with a mean of 27 and a standard deviation of 3 for your raw scores, and you convert that distribution to z-scores, the new mean and standard deviation will be______________.

Question 1 options:

	a) 0, 1
	b) 27, 3
	c) unable to determine without more information

Question 2 (1 point)

 

It is possible to know exactly where you stand on an exam by looking at your raw score.

Question 2 options:

a) True

b) False

Question 3 (1 point)

 

It is possible to know which students scored in the top 10% of the class of 100 by looking that the 10 highest scores.

Question 3 options:

a) True

b) False

Question 4 (1 point)

 

A t-score differs from a z-score because the t-score is based on a sample whereas the z-score is based on the population.

Question 4 options:

a) True

b) False

Question 5 (1 point)

 

In a population if you have µ = 10, σ = 2, and your z-score is +1.5, what is the value of X?

Question 5 options:

	a) -13
	b) 20
	c) 13
	d) -20