Chapter 2: Q. 2.79 (page 69)
Construct a stem-and-leaf diagram for the data, using two lines per stem.

Short Answer

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Chapter 2: Q. 2.79 (page 69)
Construct a stem-and-leaf diagram for the data, using two lines per stem.


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In Exercises 2.20-2.25, we have presented some simple qualitative data sets for practicing the concepts. For each data set,
a. determine a frequency distribution.
b. obtain a relative-frequency distribution.
c. draw a pie chart.
d. Construct a bar chart.

Use cutpoint grouping with a first class of -under .

Baltimore Ravens. From Player Roster, the official roster of the 2013 Super Bowl champion Baltimore Ravens, we obtained the heights, in inches, of the players on that team. A dot plot of those heights is as follows.

The Federal Reserve System publishes weekly figures for M2 money supply in the document Money Stock Measures. M2 includes such things as cash in circulation, deposits in checking accounts, nonbank traveller's checks, accounts such as savings deposits, and money-market mutual funds. The following bar chart provides data on the M2 money supply over months during one year.

a. What is wrong with the bar chart?
b. Construct a version of the bar chart with a nontruncated and unmodified vertical axis.
c. Construct a version of the bar chart in which the vertical axis is modified in an acceptable manner.

We have drawn a smooth curve that represents a distribution,
a. Identify the shape of the distirbution with regard to modality.
b. Identify the shape of the distribution with regard to symmetry (or non symmetry)
c . If the distribution is unimodal and non symmetric, classify it as either right skewed or left skewed.
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