Stats Final Exam ACTUAL UPDATED Questions and CORRECT Answers
C
Terms in this set (174)
Which of the following correctly describes the A statistic is calculated from sample data and is generally used to estimate a
relationship between a parameter and a statistic? parameter.
A study was done to determine the average commute All SPC students who attend lecture classes.
time per week to and from class for an SPC student
attending a lecture class. For convenience, a sample of
60 students was taken by randomly selecting a lecture
class on the Gibbs campus (30 students), and also a
lecture class on the Clearwater campus (30 students). The
students selected for the sample were then asked where
they were commuting from, when, and how often. The
information was then entered into a GPS system in order
to obtain estimated commuting times.
Which branch of statistics deals with the organization and Descriptive
summarization of collected information?
From past figures, it is predicted that 19% of the Inferential
registered voters in California will vote in the June
primary.
The cost of a Statistics textbook. quantitative
eye color qualitative
A study where a drug was given to 23 patients and a Experiment
placebo to another group of 23 patients to determine if
the drug has an effect on a patient's illness.
A study where a political pollster wishes to determine if observational study
his candidate is leading in the polls for an upcoming
election.
50 sophomores, 30 juniors and 20 seniors are randomly stratified
selected from 500 sophomores, 300 juniors and 200
seniors at a certain high school.
Every fifth person boarding a plane is searched systematic
thoroughly.
At a local community college, five statistics classes are cluster
randomly selected out of 20 and all of the students from
each class are interviewed.
, A community college student interviews everyone in their convenience
statistics class to determine the percentage of students
that own a car.
A fitness instructor measured the heart rates of the 47%
participants in a yoga class at the conclusion of the class.
The data is summarized in the histogram below. There
were fifteen people who participated in the class
between the ages of 25 and 45.
What percent of the participants had a heart rate
between 130 and 150 bpm?
The median LSAT score reported by a Law School is 170. half of the students have an LSAT score of 170
Which of the following is not correct?
The ages of a group of patients being treated at one Skew left, the median would provide a better measure of center.
hospital for osteoporosis are summarized in the
frequency histogram below.
Lengths of pregnancies of humans are normally 68%
distributed with a mean of 265 days and a standard
deviation of 10 days. Use the Empirical Rule to determine
the percentage of women whose pregnancies are
between 255 and 275 days.
A high school student took two college entrance exams ACT
and scored 1120 on the SAT and 27 on the ACT. Suppose
that SAT scores have a mean of 950 and a standard
deviation of 140 while the ACT scores have a mean of 22
and a standard deviation of 4. Assuming the performance
on both tests follows a normal distribution, determine
which test the student did better on.
What is the set of all possible outcomes of a probability sample space
experiment?
If the computed probability of an event occurring is 0.01. We would expect the event to occur about one percent of the time
Which of the following statements is correct?
A probability cannot be negative or greater than 1. true
If the probability of an event is 1, the event is impossible. false
The probability of an individual having Type O blood is .55
0.45. What is the probability of having a blood type other
than O?
Two events are dependent if when one occurs: The probability of the other occurring is changed.
C
Terms in this set (174)
Which of the following correctly describes the A statistic is calculated from sample data and is generally used to estimate a
relationship between a parameter and a statistic? parameter.
A study was done to determine the average commute All SPC students who attend lecture classes.
time per week to and from class for an SPC student
attending a lecture class. For convenience, a sample of
60 students was taken by randomly selecting a lecture
class on the Gibbs campus (30 students), and also a
lecture class on the Clearwater campus (30 students). The
students selected for the sample were then asked where
they were commuting from, when, and how often. The
information was then entered into a GPS system in order
to obtain estimated commuting times.
Which branch of statistics deals with the organization and Descriptive
summarization of collected information?
From past figures, it is predicted that 19% of the Inferential
registered voters in California will vote in the June
primary.
The cost of a Statistics textbook. quantitative
eye color qualitative
A study where a drug was given to 23 patients and a Experiment
placebo to another group of 23 patients to determine if
the drug has an effect on a patient's illness.
A study where a political pollster wishes to determine if observational study
his candidate is leading in the polls for an upcoming
election.
50 sophomores, 30 juniors and 20 seniors are randomly stratified
selected from 500 sophomores, 300 juniors and 200
seniors at a certain high school.
Every fifth person boarding a plane is searched systematic
thoroughly.
At a local community college, five statistics classes are cluster
randomly selected out of 20 and all of the students from
each class are interviewed.
, A community college student interviews everyone in their convenience
statistics class to determine the percentage of students
that own a car.
A fitness instructor measured the heart rates of the 47%
participants in a yoga class at the conclusion of the class.
The data is summarized in the histogram below. There
were fifteen people who participated in the class
between the ages of 25 and 45.
What percent of the participants had a heart rate
between 130 and 150 bpm?
The median LSAT score reported by a Law School is 170. half of the students have an LSAT score of 170
Which of the following is not correct?
The ages of a group of patients being treated at one Skew left, the median would provide a better measure of center.
hospital for osteoporosis are summarized in the
frequency histogram below.
Lengths of pregnancies of humans are normally 68%
distributed with a mean of 265 days and a standard
deviation of 10 days. Use the Empirical Rule to determine
the percentage of women whose pregnancies are
between 255 and 275 days.
A high school student took two college entrance exams ACT
and scored 1120 on the SAT and 27 on the ACT. Suppose
that SAT scores have a mean of 950 and a standard
deviation of 140 while the ACT scores have a mean of 22
and a standard deviation of 4. Assuming the performance
on both tests follows a normal distribution, determine
which test the student did better on.
What is the set of all possible outcomes of a probability sample space
experiment?
If the computed probability of an event occurring is 0.01. We would expect the event to occur about one percent of the time
Which of the following statements is correct?
A probability cannot be negative or greater than 1. true
If the probability of an event is 1, the event is impossible. false
The probability of an individual having Type O blood is .55
0.45. What is the probability of having a blood type other
than O?
Two events are dependent if when one occurs: The probability of the other occurring is changed.
