MGT 512 Quiz 2
The data on the time taken by 10 students in a class to complete an exam is an
example of what type of data?
Quantitative data
_____ are collected from several entities at the same point in time.
Cross-sectional data
When working with large spreadsheets with many rows of data, it can be helpful to
_____ the data to better find, view, or manage subsets of data.
Sort and Filter
Data collected from several entities over a period of time (minutes, hours, days, etc.)
are called...
time series data
The letter grades of business analysis students is recorded by the professor (4=A, 3=B,
2=C, 1=D). This variable's classification
is categorical data
The data collected from the customers in restaurants about the quality of food is an
exampled of a(n)
observational study
A summary of data that show the number of observations in each of several non-
overlapping bins is called a(n)
frequency distribution
Which of the following gives the proportion of items in each bin?
Relative frequency
Which of the following are necessary to be determined to define the classes for a
frequency distribution with quantitative data?
Number of nonoverlappping bins, width of each bin, and bin limits
A ___ is a graphical summary of data previously summarized in a frequency distribution.
Histogram
A sample of 13 adult males' eights are listed below.
70, 27, 71, 70, 69, 73, 69, 68, 70, 71, 67, 71, 74
, Find the range of the data.
7
Find the relative frequency of group 4, given that group 1 = 0.15, group 2 = 0.32, and
group 3 = 0.29.
0.24
To total samples size is 40. If the relative frequency group 4 is .24, but is the frequency
of group 4.
96
Compute the geometric mean of the following data on growth factors of an invest for 10
years.
1.10, 0.50, 0.70, 1.21, 1.12, 1.16, 1.11, 1.13, 1.22
1.0148
Consider a sample of the waiting times (in minutes at the billing counter in a grocery
store to be 15, 24, 18, 15, 21, 20, 15, 22, 19, 16, 15, 22, 20, 15 and 21. Compute the
median.
19
What is the mode of the data set given below.
35, 47, 65, 47, 22
47
The ----- is a point estimate of the population mean for the variable of interest.
Sample mean
Use technology to compute the standard deviation for the following sample data.
32, 41, 36, 24, 29, 30, 40, 22, 25, 37
6.75
The variance is based on the
deviation about the mean.
The simplest measure of variability is the
Range
Compute the coefficient of variation for the following sample data.
32, 41, 36, 24, 29, 30, 40, 22, 25, 37
21.36%
The data on the time taken by 10 students in a class to complete an exam is an
example of what type of data?
Quantitative data
_____ are collected from several entities at the same point in time.
Cross-sectional data
When working with large spreadsheets with many rows of data, it can be helpful to
_____ the data to better find, view, or manage subsets of data.
Sort and Filter
Data collected from several entities over a period of time (minutes, hours, days, etc.)
are called...
time series data
The letter grades of business analysis students is recorded by the professor (4=A, 3=B,
2=C, 1=D). This variable's classification
is categorical data
The data collected from the customers in restaurants about the quality of food is an
exampled of a(n)
observational study
A summary of data that show the number of observations in each of several non-
overlapping bins is called a(n)
frequency distribution
Which of the following gives the proportion of items in each bin?
Relative frequency
Which of the following are necessary to be determined to define the classes for a
frequency distribution with quantitative data?
Number of nonoverlappping bins, width of each bin, and bin limits
A ___ is a graphical summary of data previously summarized in a frequency distribution.
Histogram
A sample of 13 adult males' eights are listed below.
70, 27, 71, 70, 69, 73, 69, 68, 70, 71, 67, 71, 74
, Find the range of the data.
7
Find the relative frequency of group 4, given that group 1 = 0.15, group 2 = 0.32, and
group 3 = 0.29.
0.24
To total samples size is 40. If the relative frequency group 4 is .24, but is the frequency
of group 4.
96
Compute the geometric mean of the following data on growth factors of an invest for 10
years.
1.10, 0.50, 0.70, 1.21, 1.12, 1.16, 1.11, 1.13, 1.22
1.0148
Consider a sample of the waiting times (in minutes at the billing counter in a grocery
store to be 15, 24, 18, 15, 21, 20, 15, 22, 19, 16, 15, 22, 20, 15 and 21. Compute the
median.
19
What is the mode of the data set given below.
35, 47, 65, 47, 22
47
The ----- is a point estimate of the population mean for the variable of interest.
Sample mean
Use technology to compute the standard deviation for the following sample data.
32, 41, 36, 24, 29, 30, 40, 22, 25, 37
6.75
The variance is based on the
deviation about the mean.
The simplest measure of variability is the
Range
Compute the coefficient of variation for the following sample data.
32, 41, 36, 24, 29, 30, 40, 22, 25, 37
21.36%
