Describing Distributions
Line Plots
Mean, Median, Mode
Probability
Vocabulary
100
The shape of this distribution.
it is skewed to the left
100
How many students participated in this survey?
20
100
What is the mean,median, and mode of the numbers below?
1,3,5,3
mean=3 median=3 mode=3
100
You roll a dice. What is the probability that it will land on an even number?
3/6 or 1/2
100
a series of question(s) used to obtain information about a group
survey
200
What is the shape of a normal distribution?
Bell
200
Rachel worked at a day care center where children have to take off their shoes before they come into class. Rachel measured the length of some the shoes. She put the data in the line plot below. What shoe size is the least common?
5/6
200
What is the mean, median, and mode of the numbers below?
5,12,4,7,7
mean=7 median=7 mode=7
200
You randomly select a day of the week. What is the probability of selecting a day that starts with "s"?
2/7
200
The entire group being studied.
population
300
The shape of this distribution.
What is right-skewed (skewed to the right)?
300
What is the median of this data?
24
300
What is the mean, median, and mode of the numbers below?
7, 2, 5, 3, 3, 4
mean=4 median=3.5 mode=3
300
A bowl contains four apples, three bananas, three oranges, and two pears. If one piece of fruit is selected at random, what is the probability of selecting an orange?
3/12=1/4
300
The sub group who is actually being surveyed.
sample
400
The shape of this distribution
symmetric
400
How many magazines weighed more than 2/5 pound? 
8
400
What is the mean,median, and mode of the numbers below?
82,81,80,81,81
mean=81 median=81 mode=81
400
What is the probability of selecting a yellow or blue marble from a box of 5 green, 3 yellow, and 2 blue marbles?
P(yellow or blue)= P(yellow) + P(blue) = 5/10=1/2
400
An issue with a survey or data collection resulting in skewed results?
bias
500
The shape of this distribution.
What is right-skewed (skewed to the right)?
500
Find the mean, median, and mode of the date.
mean-6
median-5.5
mode-5
500
What is the mean, median, and mode of the numbers below?
121,323,454,676,919,323
mean=469.3 median=388.5 mode=323
500
Picture a spinner. It has 6 parts. One part is blue, one part is green, two parts are yellow, and two parts are red. What is the probability of the spinner landing on red?
2/6=1/3
500
The science of collecting, organizing, analyzing, and interpreting data in order to make decisions
statistics