Vocabulary
define the word range
the range refers the difference between the highest value and the lowest value
find the range of: 109, 123, 145, 894, 147
785
find the mode 1, 2, 3, 4, 5, 6, 6, 6, 6, 7, 8
6
what is the outlier 123, 124, 125, 126, 456
456
find the range: 789, 1256, 1, 0, 567
1256
define the word mean
the mean is the average of a set. To find it, you have to find the sum of the data values in a set and divide it by how many numbers there are
find the mean of these numbers: 45, 67, 89, 23, 12
47.2
find the median: 1, 3, 5, 5, 7, 9, 10
5
if there were 16 pairs of running shoes, 13 pairs of basketball shoes, 5 pairs of golf shoes, and 25 pairs of tennis shoes, which category would have the highest bar on a histogram?
tennis shoes
if 100 people like McDonald's and 70 people like Burger King then what is the mean number who like either?
85
define the word median
its the middle number when the data are listed from least to greatest
find the mean without the outlier: 12, 13, 14, 15, 16, 17, 147
14.5
find the mode : 67, 891, 819, 345, 819
819
1146 people love chocolate ice cream, 1145 people love vanilla, 89 people love strawberry, and 1143 love rocky road. What flavor of ice cream is an outlier?
strawberry(89)
find the median: 234, 109, 245, 89, 75, 134, 21, 54, 13
89
define the word mode
the mode is a number in a data set that occurs the most.
Denika has 149 pairs of socks and Cintia has 890 pairs of socks and Niema has 123 of socks and terrell has 147 pairs of socks find the range
767
What is the median?
45, 68, 89, 72, 12, 77
70
what is the outlier? 768, 234, 243, 214, or 241
768
find the mode: 543, 345, 453, 354, 354, 354, 123, 123, 123
354, and 123
Define IQR (inter quartile range)
The difference between the upper quartile (3) and lower quartile (1) in a data set.
Find the mean with and without the outlier:
1234, 1570, 1100, 36, 1211, 1380
with: 1088.5
without: 1299
2, 5, 1, 3, 8, 12, 4, 19, 7, 11, 6
median = 6
There is no mode
Create a line plot for the data:
3, 2, 4, 3, 4, 6, 5, 5, 4
Describe the shape of the distribution.
Normal distribution
if each symbol of a shoe in a chart represents 7 pairs of shoes, and there are 5 symbols in the chart, how many pairs of shoes would there be?
35