Question

when using mean to describe the central tendency of a variable, the most appropriate measure to describe dispersion is

Answer #1

choose the most appropriate measure of central
tendency (mean, median, mode) and dispersion(range, inter
quartiles, standard deviation) and whyd you choose them
a scientist is studying the effect of socioeconomic
class on the average family size. while reviewing the distribution
of the collected data, the scientist found that a large majority of
the families had two or less children while very few families had 5
or more children

What measure of central tendency is most appropriate for the
following data set and why? A list of insurance charges for all
patients receiving in-patient treatment at a hospital. The variable
of interest is the cost of treatment.

True or False, the mean is the measure of central
tendency most likely to be affected by an outliner? Explain your
reasoning.

The median is an appropriate measure of central tendency for
_____ data.

For each of the following situations, determine which measure of
central tendency is most appropriate and justify your
reasoning.
A. Typical number on the jersey of a player in the National
Hockey League.
B. Most requested song at a radio station
C. Average test score when the scores are skewed right
D. Most popular major for students enrolled in a statistics
course

When data is at the categorical level of measurement, which
measure of central tendency should be used to summarize the
data
A.) both the mean and median are appropriate
B.) neither the mean or median are appropriate
C.) mean
D.) median

When doing a descriptive analysis for continuous variable, which
measures are most commonly used:
-a measure of central tendency (mean or median)
-a count of how many people selected each response option
(frequency)
-a measure of dispersion (standard deviation)
-all of the above
-1 & 3
What is the most important reason we do data analysis for
marketing?
-to impress our bosses
-to help improve manager's decision quality
-to turn data into information
-to increase the visual impact of our...

5. In the GSS2012 dataset, using Explore, determine the
measures of central tendency and spread for HAPMAR (Happiness of
Marriage). Examine the statistics and determine which measures of
central tendency and spread are most appropriate.
Mean:
1.37
Median:
1.00
Standard deviation: .540
Range:
2
Interquartile Range: 1
Highlight the measure you would use as the measure of central
tendency:
Mean
Median
Mode
Why did you make this selection? Do not give me a definition of
mean/median/mode, but rather...

Describe a data set where the mean would be the most
appropriate measure of center. Describe a data set where the mean
is not the most appropriate measure of center. What measure of
center should be used and why?

For the variables, HOME, TENURE and SIBLINGS, identify the
correct measure of central tendency and explain why it is
appropriate. Locate the values for the measure on the tables and
report them for each variable.

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