STRAIGHTERLINE BUSINESS STATS FINAL WITH
COMPLETE SOLUTIONS GUARANTEED PASS
The main purpose of descriptive statistics is to - ANSWER
->Summarize data in a useful and informative manner
Which word is NOT part of the definition of descriptive
statistics? - ANSWER ->Predicting
A marketing class of 50 students evaluated the instructor
using the following scale: superior, good, average, poor,
and inferior. The descriptive summary showed the
following survey results: 2% superior, 8% good, 45%
average, 45% poor, and 0% inferior. - ANSWER ->c. Most
students rated the instructor as poor or average.
What type of variable is the number of robberies
reported in your city? - ANSWER ->Quantitative
The Nielsen Ratings break down the number of people
watching a particular television show by age. What level
of measurement is age? - ANSWER ->Ratio
What level of measurement is a person's "favorite
sport"? - ANSWER ->Nominal
,The final rankings of the top 20 NCAA college basketball
teams are an example of which level of measurement? -
ANSWER ->Ordinal
What level of measurement is the Centigrade
temperature scale? - ANSWER ->Interval
A survey includes a question regarding marital status that
has the following responses: single, married, divorced,
separated, or widowed. What is the scale of
measurement for this question? - ANSWER ->Nominal
A group of women tried five brands of fingernail polish
and ranked them according to preference. What level of
measurement is this? - ANSWER ->Ordinal
Shoe style is an example of what level of measurement? -
ANSWER ->Nominal
When TV advertisements report "2 out of 3 dentists
surveyed indicated they would recommend Brand X
toothpaste to their patients," an informed consumer may
question the conclusion because the: - ANSWER -
>Advertisement does not include the total number of
dentists surveyed
,A sample of the paramedical fees charged by clinics
revealed these amounts: $55, $49, $50, $45, $52, and
$55. What is the median charge? - ANSWER ->51.00
For a data set with an odd number of observations that
have been sorted from smallest to largest values, where
is the median located? - ANSWER ->(n + 1)/2
Assume a student received the following grades for the
semester: History, B; Statistics, A; Spanish, C; and English,
C. History and English are 5 credit-hour courses, Statistics
a 4 credit-hour course, and Spanish a 3 credit-hour
course. If 4 grade points are assigned for an A, 3 for a B,
and 2 for a C, what is the weighted mean grade for the
semester? - ANSWER ->2.76
A disadvantage of using an arithmetic mean to
summarize a set of data is that __________. - ANSWER -
>It can be biased by one or two extremely small or large
values
A survey item asked students to indicate their class in
college: freshman, sophomore, junior, or senior. Which
measure(s) of central location would be appropriate for
the data generated by that questionnaire item? -
ANSWER ->Mode and median
, The times (in minutes) that several underwriters took to
review applications for similar insurance coverage are 50,
230, 52, and 57. What is the median length of time
required to review an application? - ANSWER ->54.5
For the most recent seven years, the U.S. Department of
Education reported the following number of bachelor's
degrees awarded in computer science: 4,033; 5,652;
6,407; 7,201; 8,719; 11,154; 15,121. What is the annual
arithmetic mean number of degrees awarded? - ANSWER
->About 8,327
Which of the following measures of dispersion are based
on deviations from the mean? - ANSWER ->All apply
From the easiest to the hardest "ease of interpretation,"
rank the measures of dispersion. - ANSWER ->Range,
mean deviation, variance
The weights of a sample of crates ready for shipment to
Moscow, Russia are (in kilograms): 103, 97, 101, 106, and
103. What is the mean deviation? - ANSWER ->2.4 kg
A sample of assistant professors on the business faculty
at state-supported institutions in Ohio revealed the
COMPLETE SOLUTIONS GUARANTEED PASS
The main purpose of descriptive statistics is to - ANSWER
->Summarize data in a useful and informative manner
Which word is NOT part of the definition of descriptive
statistics? - ANSWER ->Predicting
A marketing class of 50 students evaluated the instructor
using the following scale: superior, good, average, poor,
and inferior. The descriptive summary showed the
following survey results: 2% superior, 8% good, 45%
average, 45% poor, and 0% inferior. - ANSWER ->c. Most
students rated the instructor as poor or average.
What type of variable is the number of robberies
reported in your city? - ANSWER ->Quantitative
The Nielsen Ratings break down the number of people
watching a particular television show by age. What level
of measurement is age? - ANSWER ->Ratio
What level of measurement is a person's "favorite
sport"? - ANSWER ->Nominal
,The final rankings of the top 20 NCAA college basketball
teams are an example of which level of measurement? -
ANSWER ->Ordinal
What level of measurement is the Centigrade
temperature scale? - ANSWER ->Interval
A survey includes a question regarding marital status that
has the following responses: single, married, divorced,
separated, or widowed. What is the scale of
measurement for this question? - ANSWER ->Nominal
A group of women tried five brands of fingernail polish
and ranked them according to preference. What level of
measurement is this? - ANSWER ->Ordinal
Shoe style is an example of what level of measurement? -
ANSWER ->Nominal
When TV advertisements report "2 out of 3 dentists
surveyed indicated they would recommend Brand X
toothpaste to their patients," an informed consumer may
question the conclusion because the: - ANSWER -
>Advertisement does not include the total number of
dentists surveyed
,A sample of the paramedical fees charged by clinics
revealed these amounts: $55, $49, $50, $45, $52, and
$55. What is the median charge? - ANSWER ->51.00
For a data set with an odd number of observations that
have been sorted from smallest to largest values, where
is the median located? - ANSWER ->(n + 1)/2
Assume a student received the following grades for the
semester: History, B; Statistics, A; Spanish, C; and English,
C. History and English are 5 credit-hour courses, Statistics
a 4 credit-hour course, and Spanish a 3 credit-hour
course. If 4 grade points are assigned for an A, 3 for a B,
and 2 for a C, what is the weighted mean grade for the
semester? - ANSWER ->2.76
A disadvantage of using an arithmetic mean to
summarize a set of data is that __________. - ANSWER -
>It can be biased by one or two extremely small or large
values
A survey item asked students to indicate their class in
college: freshman, sophomore, junior, or senior. Which
measure(s) of central location would be appropriate for
the data generated by that questionnaire item? -
ANSWER ->Mode and median
, The times (in minutes) that several underwriters took to
review applications for similar insurance coverage are 50,
230, 52, and 57. What is the median length of time
required to review an application? - ANSWER ->54.5
For the most recent seven years, the U.S. Department of
Education reported the following number of bachelor's
degrees awarded in computer science: 4,033; 5,652;
6,407; 7,201; 8,719; 11,154; 15,121. What is the annual
arithmetic mean number of degrees awarded? - ANSWER
->About 8,327
Which of the following measures of dispersion are based
on deviations from the mean? - ANSWER ->All apply
From the easiest to the hardest "ease of interpretation,"
rank the measures of dispersion. - ANSWER ->Range,
mean deviation, variance
The weights of a sample of crates ready for shipment to
Moscow, Russia are (in kilograms): 103, 97, 101, 106, and
103. What is the mean deviation? - ANSWER ->2.4 kg
A sample of assistant professors on the business faculty
at state-supported institutions in Ohio revealed the
