NAME
DATE
13-1
PERIOD
Skills Practice
Measures of Central Tendency
1. 6, 3, 3, 12, 13, 15, 7
2. 1, 1, 0, 2, 1, 1, 0, 0, 1
3. 202, 195, 219, 220
4. 2.5, 4.0, 8.7, 3.3, 3.3, 5.2
5. 21, 23, 39, 44, 27, 25, 28, 30
6. 87, 85, 87, 87, 87
Find the mean, median, and mode for each set of data. If necessary, round to the
nearest tenth.
7.
×
×
×
10
11
8.
×
×
×
×
×
×
12
13
14
×
×
15
16
17
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
5.0
5.5
6.0
6.5
×
7.0
7.5
8.0
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
9. TEMPERATURE The average daily temperature by month for one year in Denver,
Colorado, is given below. Find the mean, median, and mode for temperature.
Month
Jan
Feb
Mar
Apr
May
June
July
Aug
Sept
Oct
Nov
Dec
Temp. (°F)
43°
47°
51°
61°
71°
82°
88°
86°
78°
67°
52°
46°
Source: The Universal Almanac
10. FOOD DRIVE The following set of data shows the number of canned goods collected by
each grade at Del Cerro Elementary. Which measure of central tendency best represents
the data? Justify your selection and then find the measure of central tendency.
316, 305, 111, 295, 325, 322
Chapter 13
7
Glencoe Pre-Algebra
Lesson 13-1
Find the mean, median, and mode for each set of data. If necessary, round to the
nearest tenth.