BUAL 2600 ACTUAL FINALS QUESTIONS AND
ANSWERS SURE A+
✔✔ogive - ✔✔graph of a cumulative distribution
✔✔bar chart - ✔✔what type of graph is used for qualitative data?
✔✔display the shape of the distribution - ✔✔a stem-and-leaf display is best used to...
✔✔non-overlapping - ✔✔when developing a frequency distribution, the class (group)
intervals must be...
✔✔8 - ✔✔if there are 130 values in a data set, how many classes should be created for
a frequency histogram?
✔✔bar chart - ✔✔what is the general term for a graphical display of categorical data
made up of vertical or horizontal bars?
✔✔skewed to the right - ✔✔a relative frequency histogram having a longer tail to the
right than to the left is said to be...
✔✔75th - ✔✔which percentile describes the third quartile, Q3?
✔✔outlier - ✔✔what is a measurement located outside the upper limits of a box-and-
whiskers display?
✔✔skewed to the right - ✔✔if the mean is greater than the median, then the relative
frequency curve is most likely to be...
✔✔increases, increases - ✔✔as the coefficient variable ________, risk ________
✔✔slope - ✔✔in the least squares line, ________ is defined as rise/run
, ✔✔experiment - ✔✔any process of observation with an uncertain outcome
✔✔experimental outcomes - ✔✔the possible outcomes for an experiment
✔✔sample space - ✔✔the set of all possible experimental outcomes
✔✔sample space outcomes - ✔✔experimental outcomes in the sample space
✔✔0 - ✔✔if E is an experimental outcome, 0 is less than or equal to P(E) is less than 1,
if E can never occur, then P(E)=
✔✔1 - ✔✔if E is an experimental outcome, 0 is less than or equal to P(E) is less than 1,
if E is certain to occur, then P(E)=
✔✔1 - ✔✔if E is an experimental outcome, the probabilities of all the experimental
outcomes must sum to...
✔✔classical method - ✔✔what probability method is used for equally likely outcomes?
✔✔relative frequency method - ✔✔what probability method is for using the long run
relative frequency?
✔✔subjective method - ✔✔what probability method is assessment based on
experience, expertise, or intuition?
✔✔random variable - ✔✔variable whose value is numeric and determined by the
outcome of an experiment
✔✔probability distribution - ✔✔probability model describing a random variable
✔✔binomial, poisson, and hypergeometric - ✔✔3 types of discrete probability
distributions
✔✔event - ✔✔a set of sample space outcomes
✔✔probability of an event - ✔✔the sum of the probabilities of the sample space
outcomes
✔✔the ratio of the number of outcomes that correspond to the event divided by the total
number of outcomes - ✔✔if all outcomes equally likely, the probability of an event is
ANSWERS SURE A+
✔✔ogive - ✔✔graph of a cumulative distribution
✔✔bar chart - ✔✔what type of graph is used for qualitative data?
✔✔display the shape of the distribution - ✔✔a stem-and-leaf display is best used to...
✔✔non-overlapping - ✔✔when developing a frequency distribution, the class (group)
intervals must be...
✔✔8 - ✔✔if there are 130 values in a data set, how many classes should be created for
a frequency histogram?
✔✔bar chart - ✔✔what is the general term for a graphical display of categorical data
made up of vertical or horizontal bars?
✔✔skewed to the right - ✔✔a relative frequency histogram having a longer tail to the
right than to the left is said to be...
✔✔75th - ✔✔which percentile describes the third quartile, Q3?
✔✔outlier - ✔✔what is a measurement located outside the upper limits of a box-and-
whiskers display?
✔✔skewed to the right - ✔✔if the mean is greater than the median, then the relative
frequency curve is most likely to be...
✔✔increases, increases - ✔✔as the coefficient variable ________, risk ________
✔✔slope - ✔✔in the least squares line, ________ is defined as rise/run
, ✔✔experiment - ✔✔any process of observation with an uncertain outcome
✔✔experimental outcomes - ✔✔the possible outcomes for an experiment
✔✔sample space - ✔✔the set of all possible experimental outcomes
✔✔sample space outcomes - ✔✔experimental outcomes in the sample space
✔✔0 - ✔✔if E is an experimental outcome, 0 is less than or equal to P(E) is less than 1,
if E can never occur, then P(E)=
✔✔1 - ✔✔if E is an experimental outcome, 0 is less than or equal to P(E) is less than 1,
if E is certain to occur, then P(E)=
✔✔1 - ✔✔if E is an experimental outcome, the probabilities of all the experimental
outcomes must sum to...
✔✔classical method - ✔✔what probability method is used for equally likely outcomes?
✔✔relative frequency method - ✔✔what probability method is for using the long run
relative frequency?
✔✔subjective method - ✔✔what probability method is assessment based on
experience, expertise, or intuition?
✔✔random variable - ✔✔variable whose value is numeric and determined by the
outcome of an experiment
✔✔probability distribution - ✔✔probability model describing a random variable
✔✔binomial, poisson, and hypergeometric - ✔✔3 types of discrete probability
distributions
✔✔event - ✔✔a set of sample space outcomes
✔✔probability of an event - ✔✔the sum of the probabilities of the sample space
outcomes
✔✔the ratio of the number of outcomes that correspond to the event divided by the total
number of outcomes - ✔✔if all outcomes equally likely, the probability of an event is
