104. What measure of central location uses all of the observations in its calculation? ______________

104.  What measure of central location uses all of the observations in its calculation?  ______________

Answer: mean        

105.  What is the class with the largest number of observations called? ______________

Answer: mode          

106.  If a set of observations contains an extreme value and none of the observations repeat themselves, what is the most representative measure of central location?  ?   _____________

Answer: median        

 

107.  The value that occurs most often in a set of data is called the _____

108.  The weekly sales from a sample of ten computer stores yielded a mean of $25,900; a median $25,000 and a mode of $24,500.  What is the shape of the distribution? ___________________

 

109.  Which measure of central location requires that the data be ranked before it is possible to determine it? _____________

110.  A statistic computed by summing all of the values of a distribution and dividing by the number of values is called:   _____________

 

111.  If a distribution is highly skewed, what measure of central location should be avoided? _____________

 

112.  If the n-th root is taken of the product of ""n"" values, what is the result?  _____________________

 

113.  What is a characteristic of a population called? __________________

114.  A sample revealed that the ages of musicians playing in small local combos are 36, 29, 37, 32, 36 and 75.  What is the most appropriate measure of central location to represent the ages of the musicians? ______________

115.  What measure of central location cannot be determined if the distribution has an open-ended class?  ______________________.

 

116.  What is the measure of central location used to determine the average annual percent increase in sales from one time period to another? __________________

 

117.  What is the smallest measure of central location in a positively skewed distribution? ____________

 

 

118.  A small manufacturing company with 52 employees has annual salaries distributed such that the mean is $25,459, the median is $24,798 and the mode is $24,000.  An additional foreman is hired at an annual salary of $50,700.  What measure of central location that is most affected by the addition of this salary? ____________________

119.  What is the relationship between the mean and median in a negatively skewed distribution? ________________

  

120.  What is the relationship between the median and the mode in a positively skewed distribution? _________________

 

                                        

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