Practice of Statistics in the Life Sciences 4th Edition by Brigitte Baldi & David Moore.All Chapters 1-28_TEST BANK. (GET THE DIRECT DOWNLOAD LINK INSIDE)
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Practice of Statistics in the Life Sciences 4th Edition by Brigitte Baldi & David Moore
l
TEST BANK for Practice of Statistics in
the Life Sciences 4th Edition by Brigitte
Baldi & David Moore
Test Bank Page 1
, Practice of Statistics in the Life Sciences 4th Edition by Brigitte Baldi & David Moore
Chapter 1:
1. Some variables that were recorded while studying diets of sharks are given below. Which of these variables is
not quantitative?
a. Amount of food eaten in a day by the shark being observed
b. Age of the shark being observed
c. Type of shark being observed
d. Length of the shark being observed
ANSWER: c
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 2/8/2022 3:13 PM
DATE MODIFIED: 2/8/2022 3:13 PM
2. A survey is conducted among students taking a statistics class. Several variables are measured in the survey.
Which of the variables listed below is qualitative?
a. Number of credit hours taken during the quarter
b. Gender
c. Parents' annual income
d. High school GPA
ANSWER: b
POINTS: 1
Test Bank Page 2
, Practice of Statistics in the Life Sciences 4th Edition by Brigitte Baldi & David Moore
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 2/8/2022 3:13 PM
DATE MODIFIED: 2/8/2022 3:13 PM
3. Stream quality is based on the levels of many variables, including those listed below. Which of these
variables is quantitative?
a. Amount of phosphorus
b. Number of distinct species present
c. Amount of dissolved oxygen
d. All of these answers are correct.
ANSWER: d
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
4. During winter, red foxes hunt small rodents by jumping into thick snow cover. Researchers report that a
hunting trip lasts, on average, 19 minutes and involves, on average, 7 jumps. In a surprising finding, they report
that 79% of successful jumps are made in the northeast direction. Which of the following statements about these
results is TRUE?
a. The three variables reported are all quantitative.
b. The three variables reported are all categorical.
c. Two of variables reported are quantitative and one is categorical.
Test Bank Page 3
, Practice of Statistics in the Life Sciences 4th Edition by Brigitte Baldi & David Moore
d. Two of variables reported are categorical and one is quantitative.
ANSWER: c
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 2/8/2022 3:13 PM
DATE MODIFIED: 2/8/2022 3:13 PM
5. A survey records many variables of interest to the researchers conducting the survey. The following variables
are some of the variables collected in a survey conducted by the USDA. Which of these variables is categorical?
a. Type of grain grown
b. Number of acres owned
c. Total farm income, before taxes, in 1993
d. Number of children younger than age 12 on the farm
ANSWER: a
POINTS: 1
QUESTION TYPE: Multiple Choice
HAS VARIABLES: False
DATE CREATED: 2/8/2022 3:13 PM
DATE MODIFIED: 2/8/2022 3:13 PM
6. The EPA sends out a survey to learn about people's water-usage habits. Some of the variables to be analyzed
are responses to the following questions. Which of these questions leads to categorical responses?
Test Bank Page 4
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