HSCI 390L - Bio Statistics Lab » Spring 2020 » Lab Homework 4

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Question #1
Open the "Lab Dataset" (HSCI390.sav) that is posted on the Canvas lab site. You will use the variable "Age in Years" (NQ46) from the HSCI390.sav dataset for the next several questions. What is the mean of the variable "Age in Years" (NQ46)? (rounded to the nearest tenth)
A.   22
B.   72
C.   7.5
D.   21
E.   24.4
Question #2
*Use the variable "Age in Years" (NQ46) from the HSCI390.sav dataset you used for a previous question. What is the median of the variable "Age in Years" (NQ46)? (rounded to the nearest tenth)
A.   24.4
B.   21
C.   22
D.   72
E.   7.5
Question #3
*Use the variable "Age in Years" (NQ46) from the HSCI390.sav dataset you used for a previous question. What is the mode of the variable "Age in Years" (NQ46)? (rounded to the nearest tenth)
A.   24.4
B.   22
C.   21
D.   7.5
E.   72
Question #4
*Use the variable "Age in Years" (NQ46) from the HSCI390.sav dataset you used for a previous question. What is the range of the variable "Age in Years" (NQ46)? (rounded to the nearest tenth)
A.   25
B.   56.1
C.   72
D.   7.5
E.   20
Question #5
*Use the variable "Age in Years" (NQ46) from the HSCI390.sav dataset you used for a previous question. What is the variance of the variable "Age in Years" (NQ46)? (rounded to the nearest tenth)
A.   7.5
B.   20
C.   72
D.   56.1
E.   25
Question #6
*Use the variable "Age in Years" (NQ46) from the HSCI390.sav dataset you used for a previous question. What is the standard deviation of the variable "Age in Years" (NQ46)? (rounded to the nearest tenth)
A.   20
B.   72
C.   25
D.   56.1
E.   7.5
Question #7
*Use the variable "Age in Years" (NQ46) from the HSCI390.sav dataset you used for a previous question. What is the first quartile (25th percentile or Q1) of the variable "Age in Years" (NQ46)? (rounded to the nearest tenth)
A.   72
B.   7.5
C.   20
D.   56.1
E.   25
Question #8
*Use the variable "Age in Years" (NQ46) from the HSCI390.sav dataset you used for a previous question. What is the third quartile (75th percentile or Q3) of the variable "Age in Years" (NQ46)? (rounded to the nearest tenth)
A.   25
B.   72
C.   20
D.   7.5
E.   56.1

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