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QMB 3200 Exam 2024 OMB 3200 Actual Exam Latest Update 2024 Questions and Correct Answers Rated A+
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QMB 3200 Exam 2024 OMB 3200 Actual Exam Latest Update 2024 Questions and Correct Answers Rated A+
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QMB 3200 Exam 2024 OMB 3200 ActualExam Latest Update 2024 Questions and
Correct Answers Rated A+
A scatter diagram is a graphical presentation of the relationship
between two quantitative variables. -ANSWER-True
Concerning a frequency distribution, the _______ is the value halfway
between the lower and upper class limits. -ANSWER-Class Midpoint
Cross tabulation is a tabular presentation that can be used when -
ANSWER-one variable is categorical and the other is quantitative,
both variables are categorical, or both variables are quantitative.
_________________ are numerical values that indicate how much or
how many -ANSWER-quantitative data
In identifying variables, the use of labels or names to identify
categories of like items is known as: -ANSWER-Categorical variable
A _____________ is a tabular summary of data showing the number
(frequency) of observations in each of several non-overlapping
categories or classes. -ANSWER-frequency distribution
Unlike a bar graph, a histogram has no natural separation between
rectangles of adjacent classes -ANSWER-True
_______________ is a graphical display for depicting qualitative data
-ANSWER-bar chart
,The excel function that can be used to construct a frequency
distribution is: -ANSWER-Pivot Table
The_____________ of a class is the fraction or proportion of the total
number of data items belonging to the class. -ANSWER-relative
frequency
To construct a bar chart using Excel's Chart Tools, choose
__________ as the chart type. -ANSWER-column
A graphical device for depicting categorical data that have been
summarized in a frequency distribution, relative frequency distribution,
or percent frequency distribution is a(n) -ANSWER-bar chart
Data that provide labels or names for groupings of like items are
known as -ANSWER-categorical data
The numbers of hours worked (per week) by 400 statistics students
are shown below.
Frequency-----Number of hours
1. (0−9)-----------(20)
2. (10−19)---------(80)
3.(20−29)----------(200)
4.(30−39)----------(100)
The cumulative frequency for the class of 20 − 29? -ANSWER-300
Excel's __________ can be used to construct a cross tabulation. -
ANSWER-PivotTable Report
Excel's __________ can be used to construct a frequency distribution
for categorical data. -ANSWER-COUNTIF function
,The numbers of hours worked (per week) by 400 statistics students
are shown below.
Frequency-----Number of hours
1. (0−9)-----------(20)
2. (10−19)---------(80)
3.(20−29)----------(200)
4.(30−39)----------(100)
The percentage of students working 19 hours or less is? -ANSWER-
25%
To construct a histogram using Excel's Chart Tools, choose
__________ as the chart type. -ANSWER-column
The numbers of hours worked (per week) by 400 statistics students
are shown below.
Frequency-----Number of hours
1. (0−9)-----------(20)
2. (10−19)---------(80)
3.(20−29)----------(200)
4.(30−39)----------(100)
The number of students working 19 hours or less? -ANSWER-100
The ages of employees at a company represent -ANSWER-
quantitative data
If the data have exactly two modes, the data are bimodal. -ANSWER-
True
, ____________ ___________ is often used in analyzing growth rates
in financial data (where using the arithmetic mean will provide
misleading results). -ANSWER-geometric mean
Concerning distribution shape, if the mean is equal to the median,
then -ANSWER-The skewness is 0, indicating the bell curve is
symmetric
The ___________ of a data set is the value in the middle when the
data items are arranged in ascending order. -ANSWER-median
The ______ of a data set is the value that occurs with the greatest
frequency. -ANSWER-mode
The ______________ of a data set is the difference between the
largest and smallest data values. -ANSWER-range
The covariance is a measure of the linear association between two
variables. -ANSWER-True
An outlier is an unusually small or unusually large value in a data set. -
ANSWER-True
The variance is a measure of variability that utilizes all the data. -
ANSWER-True
The standard deviation is measured in the same units as the data,
making it more easily interpreted than the variance. -ANSWER-True
Excel's Sample Standard Deviation function is as follows: -ANSWER-
STDEV.S(data cell range)
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