A vertical line drawn through a normal distribution at z = +0.99 separates the distribution into two sections, the body and the tail. What proportion of the distribution is in the body?
Given the following data: SP = 100; SSX = 20; MY = 125; MX =…
Given the following data: SP = 100; SSX = 20; MY = 125; MX = 10 The slope, b =
[example continued…] Is there a difference among the 3 tre…
Is there a difference among the 3 treatments in the table below? Test using α = .05 Treatment A Treatment B Treatment C 0 2 4 ∑X2 = 114 0 3 2 G = 36 0 1 4 N = 18 3 3 3 k = 3 0 2 4 0 1 4 SS1 = 7.5 SS2 = 4 SS3 = 3.5 dfwn = ______ dfbn = ______
Below is data for two variables, X and Y. Answer the questi…
Below is data for two variables, X and Y. Answer the questions that follow. X Y X-MX Y-MY (X-MX)2 (Y-MY)2 (X-MX)(Y-MY) 0 4 -3 -1 9 1 3 2 3 -1 -2 1 4 ___ 4 7 1 ___ 1 4 2 6 6 3 1 ___ 1 3 MX = _____; MY = _____
[example continued…] A normal distribution has a mean of µ…
A normal distribution has a mean of µ = 12 with σ = 3. What is the probability of a score less than 15 from this distribution, p(X < 15)?
[example continued…] Is there a difference among the 3 tre…
Is there a difference among the 3 treatments in the table below? Test using α = .05 Treatment A Treatment B Treatment C 0 2 4 ∑X2 = 114 0 3 2 G = 36 0 1 4 N = 18 3 3 3 k = 3 0 2 4 0 1 4 SS1 = 7.5 SS2 = 4 SS3 = 3.5 What is the value of the critical F boundary? (from the tables)
[example continued…] Below is data for two variables, X an…
Below is data for two variables, X and Y. Answer the questions that follow. X Y X-MX Y-MY (X-MX)2 (Y-MY)2 (X-MX)(Y-MY) 0 4 -3 -1 9 1 3 2 3 -1 -2 1 4 ___ 4 7 1 ___ 1 4 2 6 6 3 1 ___ 1 3 What is the missing value under the Y-MY column?
What is the denominator in the one sample t test formula?
What is the denominator in the one sample t test formula?
[Example continued…] Locus of Control has μ = 106 and σ =1…
Locus of Control has μ = 106 and σ =12. Test whether ARC students (n = 36, M = 109) differ on Locus of Control. α = .05. What type of error could you be making?
A class consists of 20 psyc majors, 20 nursing majors, and 1…
A class consists of 20 psyc majors, 20 nursing majors, and 10 social work majors. If one student is randomly selected from the class, what is the probability that the student is a social work major p(social work major)?