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Statistics Midterm Review
Statistics Midterm Review
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Midterm review for Statistics
Flashcards
38 cards
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Practice quiz
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Host live
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Questions
38
Answers
1
Who would you want to be your partner on a STATS Midterm test?
Colby
Gunnar
Skye
Eli
2
How many ways can you choose 12 actors for a play from a group of 20
125,970
479,001,600
20!
6,000,000,000
3
What is the probability of drawing two Kings WITHOUT replacing the first?
(4/52)(4/51)
2/52
(4/52)(3/51)
(1/52)(1/51)
4
What is the probability of picking an ace from a deck of cards?
1/2
1/4
2/52
4/52
5
The probability that a person take Statisitcs is 46%. What is the MEAN if 10 people are asked?
.46
4.6
.54
10
6
If a student scored an 80 on a test with st. dev. of 4.2 and mean of 86.4. What's the Z-score?
-1.42
6.4
-1.52
2.36
7
If K'Donnie's chance of calling Gunnar at school is 23%, what is the chance he will call Gunnar the next 3 days
(.23)3
(.77)3
.23+.23+.23
.77+.77+.77
8
The class with the highest temperature is...
70-80
80-85
80-90
75-80
9
"My favorite teacher is 1st Aceta, 2nd Laurents, and 3rd Ashlock" is an example of:
interval
nominal
ratio
ordinal
10
Currently, Mrs. Aceta has this many YouTube subscribers...
107
97
87
77
11
A study conducted on hours spent doing HW and test scores...
Test is independent, HW is dependent
Test is dependent, HW is independent
12
The mass of a chemical is QUALITATIVE data
False
True
13
Which of the following curse words Judah has NOT said...
F---
H---
Sh--
D---
14
Graph
A
B
D
C
15
What is the probability of choosing a diamond and an 2?
17/52
4/52
16/52
13/52
16
49.5% of N.C. people are against the legalization of marijuana. What percent is for it?
50
49.5
50.5
49
17
Sam Washam...
Can cheerlead better than most
Amazing football player
Mia's grade would drop 10 points without him
Can twerk better than most
18
Describe the skew of this graph
left skewed
bimodal
symmetric
right skewed
19
If Q1 = 132, Q2 = 254 and Q3 = 324, Find IQR
96
122
70
192
20
Questioning every 5th person as they leave a class is called...
cluster sampling
sample of convenience
stratified sampling
systematic sampling
21
Take 1 course from each of the following: 5 math, 4 science, and 3 English. How many ways?
23
60
40
12
22
The boundaries for 23.4
23.35-23.40
22.0-24.0
23.49-23.50
23.35-24.45
23
Which of the following data are continuous?
Number of representatives in the House
the rankings of winners in a race
the average height of a basketball player
The number of species of trees
24
When asked Judah "Who would you want to babysit you?" he chose...
Gavin F
Mia R
Davis L
Morgan B
25
A _____________consists of all subjects being studied
sample
variable
group
population
26
Is this a Probability Distribution?
Yes the probabilities add to 1
No the probabilities do not add to 1
27
What is the probability of choosing a black card or a heart card in a standard deck of cards?
39/52
26/52
13/52
1/52
28
The _____ graph is most appropriate to show the avg of SAT scores at MCA over the last 10 years
pareto
pie chart
bar
time-series
29
This triggers Mrs. Aceta...
People who don't do Stats HW
Joe Biden
People who CHEAT AND DON'T DO Stats HW named Joe Biden
People who CHEAT on Stats HW
30
Things we talk about in Stats that are not Stats...
Bad effing Brad
Tattoos
Legal use of Marijuana
Shrooms
31
The probability that a person take Statisitcs is 46%. What is the STANDARD DEVIATION if 10 people are asked?
2.14
4.6
1.58
2.48
32
Inferential Statistics uses probability
False
True
33
On Friday I will....
Skip the Midterm
What? We're having a midterm??
Pass the Midterm
Slay my Midterm
34
Which is correct to find the MEAN of this probability distribution?
Take the square root of above
02(.18)+12(.34)+22(.35)+32(.11)+42(.02)
0(.18)+1(.34)+2(.35)+3(.11)+4(.02)
Take the square root of above
35
Estimate the unemployment rate in May '09
9.6%
9.4%
9.5%
9%
36
What is the mode of 11, 12, 11, 14, 10, 14
14
no mode
11, 14
11
37
A pop. has a mean of 26 and st. dev. of 4. What number has a Z-score of -1.4
-5.6
-6.8
-31.6
20.4
38
Which student started this year off first in PreCalc??
Addy
Tiffani
Layton
Davis
