stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Statistics is fun Flashcards | StudBud
Explore
/
Statistics is fun
Statistics is fun
20 terms
·
StudBud Administration
·
346 plays
test students' knowledge about sorting, graphing and analyzing data.
Flashcards
20 cards
F
Practice quiz
P
Host live
L
Questions
20
Answers
1
How do you find median in an EVEN number data set?
use n/2 to locate the median
My mom knows, I don't
the same as the mean
average of the middle 2 number
2
There are 6 math teachers in a group of 10 people. What is the percentage?
40%
16.7%
50%
60%
3
What is the IQR? [24, 44.4, 50.4, 52.8, 58]
8.4
6
ask SI leader
2.4
4
Calculate the Median: 5, 10, 11, 13, 14, 16, 20, 25, 30, 30.
15
16
14
15.5
5
According to Professor Zakeri, what is the rounding rule?
always round up to 2 decimals
always round up to 3 decimals
always round 1 decimal more, than the given data
in the final answer, 1 decimal more, than the given data
6
Any outliers: [24, 44.4, 50.4, 52.8, 58] ?
Yes, the upper fence is lower than 58
Yes, the lower fence is higher than 24
No, the lower fence is lower than 24
Nooooooo
7
How do you find median in an ODD number data set?
use n/2 to locate the median
average of the middle 2 number
the same as the mean
My mom knows, I don't
8
The difference between bar graph and histogram
there is no space between bars in historgram
there is no space between bars in bar graph
the X axis is categorical variable in histogram
the X axis is quantitative variable in Histrogram
9
The distribution of this: [24, 44.4, 50.4, 52.8, 58]
skew to the right
skew to the left
nothing
very normal
10
In a normal distribution, what percent of data fall inside between 2 standard deviations?
95%
50%
68%
99.7%
11
What is the Formula for calculating the Sample Mean?
ϻ= xi/n
x̄= xi/n
x̄= (∑xi)/n
ϻ= (∑xi)/n
12
When you are learning statistics, what are the most important things you need to know?
steps
definitions
reading and analyze the question
calculation
13
What is a categorical data?
Jurgen is an accountant
Jurgen has 5 kids and 2 dogs
Jurgen was born in 1975
Jurgen loves to play tennis and chess
14
Describe the distribution
Professor Zakeri knows, I don't
skew to the right
roughly normal / symmetrical
skew to the left
15
Which distribution is Obviously skew to the Left?
both
heights of Boys
neither
heights of Girls
16
In a Skew to the LEFT distribution, where is the MEAN located?
the SAME place as median and mode
in the MIDDLE of median and mode
RIGHT side of median and mode
LEFT side of median and mode
17
5-number summary for: 5, 10, 11, 13, 14, 16, 20, 25, 30, 30.
[5, 11, 15, 25, 30]
[5,10, 14, 25, 30]
[5, 11, 15, 20, 30]
[30, 25, 15, 11, 5]
18
What does standard deviation describe?
range of data distribution
the same as the IQR
the outliers
average gap between data
19
How do you calculate InterQuartile Range
Q3-Q2
Q2-Q1
Q3-Q1
take a guess
20
Statistics is a science of
how to analyze data
how to do math
make conclusion about population that data comes from
how to collect and organize data into tables and charts
