# Statistics

Anonymous

Question description

10-C1. Some psychologists theorize that there is a link between personality type and body type. Body types, called somatotypes, are sorted into three general categories: ectomorphs (thin and wiry), mesomorphs (stocky and muscular), and endomorphs(on the heavy side). Further, it has been assumed that mesomorphs are typically more extraverted than either ectomorphs or endomorphs. A group of 21 children, all of whom were rated above average in mesomorphy, was selected, along with another group of 21 children who had been rated below average in mesomorphy. All the selected children were 13-year-old males. Both groups were given the EPIE test, the ” extraversion" scale taken from the Eysenck Personality Inventory. On this test, higher scores indicate a higher degree of extraversion.

The scores obtained by the mesomorphs were: 12, 13, 11, 12, 14, 10, 9, 15, 20, 4, 12, 12, 10, 14, 11, 13, 12, 13, 12, 13, 10

The scores achieved by the non-mesomorphs were: 14, 12, 10, 10, 10, 11, 7, 12, 14, 2, 11, 10, 12, 11, 10, 14, 18, 12, 11, 15, 5

a. State/write out the null hypothesis using appropriate IV and DV terminology.

b. Report Critical Value (CV) required for significance.

c. Report dfs

d. There is/is not a significant difference between the two groups. (choose one)

e.  Explain all conclusions (i.e., Do the two groups represent the same population with regard to extraversion?

f. Are the two groups equal in variability?

(Top Tutor) Studypool Tutor
School: Carnegie Mellon University
Studypool has helped 1,244,100 students
flag Report DMCA

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors