Introduction to the Practice of Statistics 9th edition by David S. Moore Test bank

 
Country/area 2005 2006
Benin803,462861,847
Burkina Faso1,615,6952,060,867
Côte d'Ivoire1,280,9141,253,408
Gambia161,698266,188
Ghana3,452,9693,511,452
Liberia116,6811,105,272
Mali962,7061,022,592
Senegal1,346,1581,555,310
Sierra Leone233,833160,666
Togo437,662566,450
 
If the number of reported malaria cases in Ghana in 2005 were mistyped and reported as 30,452,969, what would happen to the mean and median?
 A)Both would remain unchanged.
 B)The mean would change, but the median would stay the same.
 C)The mean and median would change.
 D)You cannot tell without doing the actual calculation.
 
 
89.The World Malaria Report (2008) has information on the number of reported malaria cases from 2005 and 2006 for the 10 countries listed in West Africa. The data are presented in the table below.
 
Country/area 2005 2006
Benin803,462861,847
Burkina Faso1,615,6952,060,867
Côte d'Ivoire1,280,9141,253,408
Gambia161,698266,188
Ghana3,452,9693,511,452
Liberia116,6811,105,272
Mali962,7061,022,592
Senegal1,346,1581,555,310
Sierra Leone233,833160,666
Togo437,662566,450
 
If the number of reported malaria cases in Sierra Leone were mistyped and reported as 1,160,666, what would happen to the mean and median?
 A)Both would remain unchanged.
 B)The mean would change, but the median would stay the same.
 C)The mean and median would change.
 D)You cannot tell without doing the actual calculation.
 
 
90.The World Malaria Report (2008) has information on the number of reported malaria cases from 2005 and 2006 for the 10 countries listed in West Africa. The data are presented in the table below.
 
Country/area 2005 2006
Benin803,462861,847
Burkina Faso1,615,6952,060,867
Côte d'Ivoire1,280,9141,253,408
Gambia161,698266,188
Ghana3,452,9693,511,452
Liberia116,6811,105,272
Mali962,7061,022,592
Senegal1,346,1581,555,310
Sierra Leone233,833160,666
Togo437,662566,450
 
If the number of malaria cases for Ghana were removed from this data set, what would happen to the mean of the entire data set for the year 2005?
 A)The mean would not change.
 B)The mean would change.
 C)You cannot tell without doing the calculation.
 
 
91.The World Malaria Report (2008) has information on the number of reported malaria cases from 2005 and 2006 for the 10 countries listed in West Africa. The data are presented in the table below.
 
Country/area 2005 2006
Benin803,462861,847
Burkina Faso1,615,6952,060,867
Côte d'Ivoire1,280,9141,253,408
Gambia161,698266,188
Ghana3,452,9693,511,452
Liberia116,6811,105,272
Mali962,7061,022,592
Senegal1,346,1581,555,310
Sierra Leone233,833160,666
Togo437,662566,450
 
If the number of malaria cases for Sierra Leone were removed from this data set, what would happen to the mean of the entire data set for the year 2006?
 A)The mean would not change.
 B)The mean would change.
 C)You cannot tell without doing the calculation.
 
 
92.Which of the following variables is quantitative?
 A)The amount of time a student spends on the Internet in a week
 B)The number of tenured professors at a large university
 C)The number of hurricanes each year for the years 2000 to 2010
 D)All of the above
 E)None of the above
 
 
93.The National Oceanic and Atmospheric Administration's (NOAA) National Climatic Data Center (NCDC; http://www7.ncdc.noaa.gov) collects several weather variables. Identify whether each of the listed variables from the NCDC are quantitative or categorical.
A)     The amount of rainfall in 1 year in every state
B)     The mean temperature in California across 25 years
C)     The number of days with precipitation of at least 1 millimeter
D)     The departure of precipitation from the average
 
 
94.On the first day of class, statistics professors ask each student to fill out a demographic questionnaire to learn information about their class. Which of the following variables is/are categorical?
 A)Gender
 B)Marital status
 C)Highest education level of your mother (e.g., high school grad, college grad, etc.)
 D)All of the above
 E)None of the above
 
 
95.On the first day of class, statistics professors ask each student to fill out a demographic questionnaire to learn information about their class. Which of the following variables is/are quantitative?