Exam (elaborations)
Understandable Statistics Concepts and Methods 12th Edition by Charles Henry Brase - Test Bank
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- Statistics Concepts
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- Statistics Concepts
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,Chapter 1 - Getting Started1. Data may be classified by one of the four levels of measurement. What is the name of the lowest level?
a. interval
b. nominal
c. ordinal
d. ratio
e. simple
ANSWER: b
POINTS: 1
DIFFICULTY: Easy
QUESTION TYPEMulti-Mode (Multiple choice)
:
HAS VARIABLES False
:
LEARNING OBJE 13.1 - Explain why thinking that children are children first, even if they have conditions that
CTIVES: affect their growth and nutritional requirements, suits child developmental milestones.
DATE CREATED: 11/4/2013 1:26 AM
DATE MODIFIED:11/4/2013 1:26 AM
2. Identify the variable in the information below.
What is the average miles per gallon (mpg) for all new cars? Using Consumer Reports, a random sample of 35
new cars gave an average of 21.1 mpg.
a. number of new cars surveyed
b. cars
c. miles
d. miles per gallon
e. gallons
ANSWER: d
POINTS: 1
DIFFICULTY: Easy
QUESTION TYPE: Multi-Mode (Multiple choice)
HAS VARIABLES: True
LEARNING OBJECTI 13.2 - Identify the common nutrition problems in children with special health care needs
VES: and chronic conditions.
DATE CREATED: 11/4/2013 1:26 AM
DATE MODIFIED: 3/18/2014 7:36 AM
3. Identify whether the variable in the information below is qualitative or quantitative.
Government agencies carefully monitor water quality and
its effect on wetlands (Reference: Environment Protection Agency Wetland Report EPA 832-R-93-
005). Of particular concern is the concentration of nitrogen in water draining from fertilized lands. Too
much nitrogen can kill fish and wildlife. Twenty-eight samples of water were taken at
random from a lake. The nitrogen concentration (milligrams of nitrogen per liter of
water) was determined for each sample.
Copyright Cengage Learning. Powered by Cognero. Page 1
,Chapter 1 - Getting Started
a. quantitative
b. qualitative
c. qualitative as well as quantitative
d. neither qualitative nor quantitative
e. Information does not have any variable.
ANSWER: a
POINTS: 1
DIFFICULTY: Medium
QUESTION TYPE: Multi-Mode (Multiple choice)
HAS VARIABLES: True
LEARNING OBJECTIVE 13.3 - Describe how a growth assessment is modified in children with special health
S: care needs.
DATE CREATED: 11/4/2013 1:26 AM
DATE MODIFIED: 3/18/2014 7:50 AM
4. Identify the implied population in the information below.
Government agencies carefully monitor water quality and its
effect on wetlands (Reference: Environment Protection Agency Wetland Report EPA 832-R-93-
005). Of particular concern is the concentration of nitrogen in water draining from fertilized
lands. Too much nitrogen can kill fish and wildlife. Twenty-eight samples of water were taken at
random from a lake. The nitrogen concentration (milligrams of nitrogen per liter of water) was determined
for each sample. The variable in this information is nitrogen concentration (mg nitrogen/1 liter of water).
a. number of fish
b. samples of water taken at random
c. none of these choices
d. nitrogen concentration (mg nitrogen/1 liter of water) in the entire lake
e. samples of water taken at random
ANSWER: d
POINTS: 1
DIFFICULTY: Medium
QUESTION TYPEMulti-Mode (Multiple choice)
:
HAS VARIABLES True
:
LEARNING OBJE 13.4 - Characterize nutrition recommendations for children who are underweight and
CTIVES: overweight, or have difficulties meeting known nutrient requirements.
DATE CREATED: 11/4/2013 1:26 AM
DATE MODIFIED:3/18/2014 7:57 AM
5. Identify whether the variable in the information below is qualitative or quantitative.
Government agencies carefully monitor water quality and its
effect on wetlands (Reference: Environment Protection Agency Wetland Report EPA 832-R-93-
005). Of particular concern is the concentration of nitrogen in water draining from fertilized
Copyright Cengage Learning. Powered by Cognero. Page 2
, Chapter 1 - Getting Started
lands. Too much nitrogen can kill fish and wildlife. Twenty-eight samples of water were taken at
random from a lake. The nitrogen concentration (milligrams of nitrogen per liter of water) was determined
for each sample. The variable in this information is nitrogen concentration (mg nitrogen/1 liter of water).
a. quantitative
b. qualitative
c. qualitative as well as quantitative
d. neither qualitative nor quantitative
e. none of these choices
ANSWER: a
POINTS: 1
DIFFICULTY: Easy
QUESTION TYPE: Multi-Mode (Multiple choice)
HAS VARIABLES: True
LEARNING OBJECTIVE 13.3 - Describe how a growth assessment is modified in children with special health
S: care needs.
DATE CREATED: 11/4/2013 1:26 AM
DATE MODIFIED: 3/18/2014 8:25 AM
6. Identify the level of measurement corresponding to the data "Cost of rod and reel" associated with fishing.
a. interval
b. none of these choices
c. ratio
d. nominal
e. ordinal
ANSWER: c
POINTS: 1
DIFFICULTY: Easy
QUESTION TYPE: Multi-Mode (Multiple choice)
HAS VARIABLES: True
LEARNING OBJECTI 13.5 - Describe the eating and feeding problems of children with special health care
VES: needs and chronic conditions.
DATE CREATED: 11/4/2013 1:26 AM
DATE MODIFIED: 3/18/2014 8:27 AM
7. Use a random-number table to get a list of 10 random numbers between 1 and 99 beginning at row 2, block 2.
65321 85623 10204 50218 20321 22315
98532 91972 39800 45670 20510 10451
92012 59826 35456 79289 91483 29754
45652 98653 45863 36963 15326 78952
45678 10100 91251 37041 13712 14672
a. 91 97 23 98 45 67 20 5 10 45
b. 91 97 23 98 67 2 5 10 10
c. 91 97 23 98 45 67 2 5 10 45
Copyright Cengage Learning. Powered by Cognero. Page 3
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