BUSI 230 HW 3.1 Measures of Center Assignment solutions complete answers
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Select the appropriate word or phrase to complete each sentence.
The is calculated by summing all data values and dividing by how many there are.
The is a number that splits the data set in half.
The is resistant because it is not affected much by extreme values.
The is the value in the data set that appears most frequently.
Find the mean, median, and mode for the following data set.
(a) Find the mean. Round your answer to one decimal place, if necessary.
(b) Find the median. Round your answer to one decimal place, if necessary.
(c) Find the mode(s). If there is more than one, separate them with commas.
Find the mean, median, and mode for the following data set. Round your answers to one decimal place, if necessary.
Find the mean and median.
(c) Find the mode(s). If there is more than one, separate them with commas.
Approximate the mean for the following data set. Round your answer to one decimal place.
The mean is approximately .
The number of calories in a sample of hamburgers from six fast food restaurants is
(a) Find the mean number of calories. Round your answer to one decimal place, if necessary.
The mean number of calories is .
(b) Find the median number of calories.
The median number of calories is .
Great swimmer: In the Olympic Games, Michael Phelps won eight gold medals in swimming. Following are some of the events he won, along with his margin of victory, in seconds.
(a) Find the mean margin of victory. Round the answer to three decimal places.
The mean margin of victory is seconds.
(b) Find the median margin of victory.
The median margin of victory is seconds.
Don't drink and drive: A highway safety council reported that there were fatalities among drivers in auto accidents in a particular year. Following is a frequency distribution of their ages. Approximate the mean age. Round your answer to one decimal place.
The mean is approximately .
Read any good books lately? The following data represent the responses of library patrons when asked about their favorite type of book. Which type of book is the mode?
The mode of this data set is .
Big companies: Following are revenues for a selection of companies in a recent year.
(a)Find the mean and median revenue. Round to decimal places where necessary.
The mean revenue is billion and the median revenue is billion.
(b)Walmart has the largest revenue. If Walmart is excluded from the list, which measure of center would be more affected?
If Walmart is excluded from the list, the measure of center that would be more affected is the
