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Statistics
Statistics
15 terms
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Learning the basics of statistics
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
What type of graph is shown?
uniform
bimodal
skewed right
skewed left
2
According to the graph displayed, what is the mode?
3
7 & 8
5
9
3
What type of graph is shown?
normal
unimodal
uniform
bimodal
4
You have 2 green pens, 4 blue pens, and 5 red pens in a bag. Which statement is true?
The probability of grabbing a blue pen is 4/11
The probability grabbing a green pen is 1/2
The probability of grabbing a green pen is 2/10
The probability of grabbing a red pen is 5/5
5
Which of the following distributions represent a normal distribution?
GRAPH A
GRAPH C
GRAPH B
GRAPH D
6
45% of HS students play sports. What is the proportion of students that don't play sports?
45%
55%
5%
100%
7
When rolling a 12-sided die, what is the probability of getting an even number?
1/12
5/12
1/2
1/6
8
A one word description of MODE is...
MOST
MIDDLE
LARGEST
DIFFERENCE
9
Which of the following statements best describes simple random sample?
selecting every third person
voluntary sample
surveying everyone in the population
allows an equal change of being chosen
10
In statistics, population is...
How many people live in a town
Entire collection from which we collect data
A group selected from a larger group
A sample that is randomly selected
11
What is the range of the following number? $3.50, 3.50, 3.50, 4.00, 4.00, 5.00
$3.50
$2.50
$1.50
$5.00
12
What is the total probability under the normal curve?
99%
1%
95%
100%
13
The mean age of boys in the basketball team is 12 with a SD of 2 years.
The probability of a boy between 10-14 years old is 100%
The probability of a boy between 10-14 years old is 68%
The probability of a boy between 10-14 years old is 99.73%
The probability of a boy between 10-14 years old is 95%
14
A one word description of MEAN is...
MOST
AVERAGE
SUM
MIDDLE
15
What is a parameter?
A measurable characteristic of a sample
A confidence interval of a sample
A confidence interval of a population
A measurable characteristic of a population
