Chapter 4: Describing Data- Displaying and exploring data

For a given data set, Suppose Q1= 140, Q2= 150, Q3= 160. What would the upper limit be? 20 190 30 130

190

Contingency tables are used for summarizing data of what level? Select all that apply. Nominal Ratio Interval Ordinal

Nominal Ordinal

What statements describe the relative use of dot plots and histograms? Select all that apply. Dot plots are most useful for smaller data sets. Histograms are more useful for larger data sets. Dots plots show the relative frequency of data values. Histograms are easier to construct.

Dot plots are most useful for smaller data sets. Histograms are more useful for larger data sets.

Which of the following are features of a dot plot? Select all that apply. Dots "pilled up"for observations very close together. A horizontal line indicating the possible values of the data. One dot for each observation. A line connecting the dots that represents individual observations.

Dots "pilled up"for observations very close together. A horizontal line indicating the possible values of the data. One dot for each observation.

Which one of the following pairs of variables would be BEST-SUITED for a contingency table? Hours studies and test grade miles per gallon and car weight favorite color and gender size of house and price of house

Favorite color and gender

A scattar diagram could be used to plot all of the following EXECPT which one of the pairs of variables? Temperature and coffee GPA and Salary Gender and Major Height and Weight

Gender and Major

Which the following is NOT a measure of position? The Correlation Coefficient 75th decile The Median The Variance First Quartile

The Correlation Coefficient The Variance

Each of the following is a measure of position in a set of data EXECPT: The Median The Standard Deviation The Range the Quartiles The Deciles

The Standard Deviation The Range