Exam 4: Measures of Central Tendency

The mode should be used to measure central tendency when the level of measurement of the variable is

If you subtracted the mean from each score in a distribution and added the results,the sum would be

In any distribution,the mean and the median will have the same value when the distribution is

The most appropriate measure of central tendency for gender would be the

What is the median of the following set of twelve grades? 55 60 62 67 70 72 74 76 77 85 90 95

The three commonly used measures of central tendency (mode,median,and mean)

Which measure of central tendency is affected by every score in the distribution?

A researcher is preparing a report and wants to select a measure of central tendency that shows the most common score in a particular distribution.Which statistic should she select?

In a small seminar class,there were eight Protestants,four Catholics,three Jews,two Muslims,a Buddhist,and eight students with no religious affiliation ("Nones").The mode for this variable is

If the scores on a variable are 11,14,18,20,and 25,the median is

If a distribution of test scores has a mean of 70 and a median of 63,the distribution has

The purpose of measures of central tendency is to describe what value of a distribution of scores is

In a ranked list of 25 scores,the median is the score of

On a survey,age was divided into three categories: 1)Younger than 18 2)18 to 21 3)Older than 21 The researcher computed the mean age of her respondents by adding up the scores (the 1s,2s,and 3s)and then dividing by the number of cases.This was a mistake because the data are

In a campaign debate over the level of prosperity in the state,the incumbent governor says: "average income is $53,000." His opponent responds "the average citizen earns only $38,000." Both statements are true.This is possible because

The mean defines "central tendency" in terms of the

If you subtracted the mean from each score in a distribution,squared the differences,and then added the squared differences,the sum would be

If a distribution of test scores has a mean of 70 and a median of 80,the distribution has

You have come across some statistics regarding the average cost of new housing in your city and a nearby city over the past few years.Write a paragraph summarizing these statistics. City A City B 1995 2005 1995 2005 MeanCost 177,000 237,000 325,000 495,000 MedianCost 170,000 224,000 280,000 321,000

Which of the following correctly matches the level of measurement of a variable with the preferred measure of central tendency?