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WEDNESDAY's HOT WARM-UP ๐ฅ ๐ฅ ๐ฅ Flashcards | StudBud
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WEDNESDAY's HOT WARM-UP ๐ฅ ๐ฅ ๐ฅ
WEDNESDAY's HOT WARM-UP ๐ฅ ๐ฅ ๐ฅ
25 terms
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Answers
1
What is the proportion of those wearing yellow
10/40
30/40
10/12
40/62
2
which is
NOT
a condition for a binomial distribution
only two possible outcomes
each trial must have a 50/50 chance
the trials are independent
fix number of trials
3
What sampling technique am I?
Systematics
Random
Census
Stratified
4
In a dice, what is the probability to get a 5?
1/5
1/6
5/6
5
On the table, 60% could be interpreted as:
the percent of girls who like winter
the percent of boys who like summer
the percent of boys who like winter
the percent of girls who like summer
6
Got it? Let's see. In a dice, what is the probability to get a 6?
1/6
1/5
1/4
0
7
what is "
s
" in statistics?
Sample Mean
sigma
sample
Sample SD
8
What is the symbol for the mean of the population?
ฮผ
N
Xฬ
X
9
What does "x-bar" stands for in Statistics?
x-score
Sample standard deviation
Mean or Average of the population
sample mean
10
What is the sample size of the following data: 5,8,1,2,9?
4
5
1.50
4.4
11
how do you get to binomPDF in the calculator?
stat \overrightarrow{ } enter
stat \overrightarrow{ } CALC \overrightarrow{ }enter
2nd \overrightarrow{ } vars
alpha \overrightarrow{ } Y=
12
Just for fun! In a dice what is the probability to get a 4?
1/3
1/4
2/3
1/6
13
median is a measure of center
False
True
14
Calculate (1/2)
2
1/4
1/16
5/4
9/16
15
The complement of 95% is...
0.05
q
0.5
0.25
16
If we are very sure that something will happen, then probability could be more than 1.
False
True
17
There are some special cases where probability is negative in Stats. For Instance: -9% to win the lottery.
False
True
18
< or > 54 __ 83
>
<
=
19
What does
SIGMA
represent in Statistics?
Sample Standard Deviation
Population Variance
Population Standard Deviation
Sample Variance
20
Probability in Statistics is between 0 and 1 or 0% and 100%
False
True
21
An example of categorical nominal data is ...
gender
hometown
colour of a car
all of these
22
binom
P
DF finds a SINGLE PROBABILITY
no
yes
yes
yes
23
What does the symbol "
>
" stand for?
Less then or equal to
Less than
Right direction
Greater than
24
What is the probability of randomly choosing a person with blue eyes
and
that is wearing yellow
10/40
10/62
10/12
2/12
25
3.877656E-6
.0003877656
.0000003877656
.000003877656
3.87765600000
