Construct a stem and leaf display for given data

Reference no: EM131403271

In 2004, unemployment rates in the 50 U.S. states were reported as follows. These data are also provided in the file XR02058.

	Percent		Percent		Percent
AL	5.8	LA	6.0	OH	6.3
AK	7.5	ME	4.7	OK	4.9
AZ	5.1	MD	4.2	OR	7.6
AR	5.9	MA	5.1	PA	5.6
CA	6.2	MI	7.0	RI	5.4
CO	5.4	MN	4.8	SC	6.9
CT	4.9	MS	6.2	SD	3.7
DE	3.9	MO	5.7	TN	5.1
FL	4.6	MT	4.9	TX	6.0
GA	4.7	NE	3.8	UT	5.3
HI	3.4	NV	4.2	VT	3.7
ID	5.3	NH	3.7	VA	3.9
IL	6.1	NJ	4.8	WA	6.2
IN	5.3	NM	5.6	WV	5.3
IA	4.6	NY	5.8	WI	5.0
KS	5.5	NC	5.4	WY	3.8
KY	5.2	ND	3.4

a. Construct a stem-and-leaf display for these data.

b. Construct a frequency distribution for these data.

c. Determine the interval width and the class mark for each of the classes in your frequency distribution.

d. Based on the frequency distribution obtained in part (b), draw a histogram and a relative frequency polygon to describe the data.

Reference no: EM131403271

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