Microsoft Word - A Crash Course - Descriptive Stats UPDATED.docx

Complete the Following Crash Course in Statistics Descriptive Statistics Quiz #1 Questions

1). Choose the correct range, mean and standard deviation for participant age written in correct APA format.

A. Participants ranged in age from 11 to 28 (M = 20.99, SD = 2.82). B. Participants ranged in age from 12 to 30 (M = 20.99, SD = 2.82). C. Participants ranged in age from 12 to 29 (M = 20.99, SD = 2.82). D. Participants ranged in age from 12 to 29 (M = 2.82, SD = 20.99). E. Participants ranged in age from 12 to 29 (M = 20.99, SD = 22).

2). Choose the correct frequency information for gender A. There were 71 men (39%) and 73 women (61%). B. There were 71 men (49%) and 73 women (51%). C. There were 73 men (50%) and 71 women (50%). D. There were 71 men (51%) and 73 women (49%). E. There were 73 men (49%) and 71 women (51%).

3). Which of the following is the correct frequency information for ethnicity

A. In this sample, 21 participants were Caucasian (15%), 112 were Hispanic (77%), 3 were African American (2%), 3 were Asian (1%), and 6 did not provide their ethnicity (4%).

B. In this sample, 22 participants were Caucasian (19%), 111 were Hispanic (67%), 3 were African American (4%), 2 were Asian (1%), and 3 did not provide their ethnicity (4%).

C. In this sample, 20 participants were Caucasian (76%), 11 were Hispanic (21%), 3 were African American (2%), 6 were Asian (1%), and 6 did not provide their ethnicity (4%).

D. In this sample, 22 participants were Caucasian (15%), 111 were Hispanic (77%), 3 were African American (2%), 2 were Asian (1%), and 6 did not provide their ethnicity (4%).

E. In this sample, 15 participants were Caucasian (15%), 117 were Hispanic (77%), 3 were African American (2%), 2 were Asian (1%), and 6 did not provide their ethnicity (4%).

4). Which of the following scales was used for gender (nominal, ordinal, interval, or ratio)? A. Gender is a nominal variable B. Gender is a ordinal variable C. Gender is a interval variable

D. Gender is a ratio variable E. None of the above

5). For which (if any) of the three dependent variables in this data set (gender, age, ethnicity) would you report the standard deviation?

A. Age, since it is measured on an interval scale B. Gender, since it is measured on a nominal scale C. Ethnicity, since it is measured on an interval scale D. All of the above

E. None of the above, since the standard deviation is inappropriate to use for all three variable