EXST 2201 EXAM ACTUAL QUESTIONS AND VERIFIED
ANSWERS LATEST UPDATE
A distribution of a column of data refers to what three characteristics of the column of data?
The shape, location, and spread of the column of data.
What characteristic is summarized by the pattern of data values when graphed?
shape
What characteristic is summarized by the middle of the data values on a real number line?
location
What characteristic is summarized by the width of the data values on a real number line?
spread
The science of statistics summarizes information in a column of data with graphs, numbers, and
computer outputs.
false
What information is extracted from a column of data by graphs?
Always look at your data first, before looking at your statistics.
true
, Match the following statistics with the characteristic of a column of data that they
summarize. Number of data values.
size
Match the following statistics with the characteristic of a column of data that they summarize. Mean
or median.
location
Match the following statistics with the characteristic of a column of data that they
summarize. Standard deviation or inter-quartile range.
spread
What one of the following answers is true about a parameter?
What is the general name for statistics that give information about a column of data?
descriptive statistics
What is the general name for statistics that extract the most information from a column of data?
efficient statistics
What is the general name for statistics that are less affected by extreme values in a column of data?
resistant statictics
Match each characteristic of a distribution with the appropriate statistic for qualitative data. shape
bar chart
Match each characteristic of a distribution with the appropriate statistic for qualitative data. location
ANSWERS LATEST UPDATE
A distribution of a column of data refers to what three characteristics of the column of data?
The shape, location, and spread of the column of data.
What characteristic is summarized by the pattern of data values when graphed?
shape
What characteristic is summarized by the middle of the data values on a real number line?
location
What characteristic is summarized by the width of the data values on a real number line?
spread
The science of statistics summarizes information in a column of data with graphs, numbers, and
computer outputs.
false
What information is extracted from a column of data by graphs?
Always look at your data first, before looking at your statistics.
true
, Match the following statistics with the characteristic of a column of data that they
summarize. Number of data values.
size
Match the following statistics with the characteristic of a column of data that they summarize. Mean
or median.
location
Match the following statistics with the characteristic of a column of data that they
summarize. Standard deviation or inter-quartile range.
spread
What one of the following answers is true about a parameter?
What is the general name for statistics that give information about a column of data?
descriptive statistics
What is the general name for statistics that extract the most information from a column of data?
efficient statistics
What is the general name for statistics that are less affected by extreme values in a column of data?
resistant statictics
Match each characteristic of a distribution with the appropriate statistic for qualitative data. shape
bar chart
Match each characteristic of a distribution with the appropriate statistic for qualitative data. location
