Exhibit 3-2
A researcher has collected the following sample data. The mean of the sample is 5.
-__________ can be used to make statements about the proportion of data values that must be within a specified number of standard deviations of the mean.
A)Chebyshev's theorem
B)The empirical rule
C)A five-number summary
D)A box plot

Question

Exhibit 3-2
A researcher has collected the following sample data. The mean of the sample is 5. 
-__________ can be used to make statements about the proportion of data values that must be within a specified number of standard deviations of the mean.
A)Chebyshev's theorem 
B)The empirical rule 
C)A five-number summary 
D)A box plot

Quizplus · Accepted Answer

Chebyshev's theorem can be used to make statements about the proportion of data values within a specified number of standard deviations of the mean, regardless of the shape of the distribution. The empirical rule and five-number summary are tools for describing the distribution of data in particular situations, while a box plot is a graphical display of the data.

Exhibit 3-2 A Researcher Has Collected the Following Sample Data. the Mean