AP Statistics Worksheet

Teacher/User Name: DEMO	Name:__________________________
Practice Problems	Period: ________ Date: ____________

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Solve:

The picture describes the number of chocolate chips that a local bakery used each day. Describe the center and spread of the picture.


		0
		0		0
		0		0		0
		0	0	0		0
		0	0	0		0
		0	0	0		0
	0	0	0	0		0	0
	0	0	0	0	0	0	0
	0	0	0	0	0	0	0
	0	0	0	0	0	0	0	0
	0	0	0	0	0	0	0	0		0
	0	0	0	0	0	0	0	0		0	0
	0	0	0	0	0	0	0	0		0	0
	0	0	0	0	0	0	0	0		0	0		0
	0	0	0	0	0	0	0	0		0	0	0	0		0				0
+−	−	−+−	−	−+−	−	−+−	−	−+−	−	−+−	−	−+−	−	−+−	−	−+−	−	−+−	−	−+
40		75		110		145		180		215		250		285		320		355		390
Chocolate Chips

Fiona made a picture of the number of cookies sold during the year. Describe the center and spread of the picture.

Cookies Sold

F r e q u e n c y	33.6% 29.4% 25.2% 21% 16.8% 12.6% 8.4% 4.2%
		5	17	29	41	53	65	77	89	101
		Number of Cookies

A poll of people 30 and over was taken to find out how many hours they spent on the computer this week. Describe the center and spread of the picture.

Number of Hours on the Computer

F r e q u e n c y	224 196 168 140 112 84 56 28
		5	21	37	53	69	85	101	117	133
		Hours

Annie made a picture of the number of cookies sold during the year. Describe the center and spread of the picture.

Cookies Sold

F
r
e
q
u
e
n
c
y

160+
|
144+
|
128+
|
112+
|
96+
|
80+
|
64+
|
48+
|
32+
|
16+
|
0+

−+−

140

185

230

275

320

365

410

455

500

Number of Cookies