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Chapter 1 AP STATS Quiz Final Flashcards | StudBud
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Chapter 1 AP STATS Quiz Final
Chapter 1 AP STATS Quiz Final
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Answers
1
We find the Standard Deviation of the observed values by squaring the varience
False
True
2
Below are the 29 recent test scores of Mrs. Nats AP Stats class. What does no values next to the number 9 indicate?
Mrs. Nat doesnt like numbers that include 9.
No student received a test score in the 90's
Too many students recieved a test score in the 90's so it doesn't show
All of Mrs. Nats students got a test score in the 90's
3
Describe the skewness of the distribution of GPA's of below
right skewed
left skewed
middle skewed
normal/symmetric
4
How do you find the varience of a set of values?
Find the average of the deviations
Find the median of the observed values
FInd the average of the squared deviations
Find the average of all the observed values
5
Katrina thinks the image below is a histogram. Nicole thinks the image below is a bar graph. Who is correct?
Nicole
Katrina
6
What is the name of graph/plot shown in the image below
Stem and Leaf Plot
Unimodal DIstribution.
Bar Graph
Box - Plot
7
What percent of all female athletes play basketball?
44%
31%
16%
52%
8
Based on the following observed values listed below, what is the value of the squared deviation for the observed value 7
2
5
4
49
9
These are the scores of 51 students ranging from 0-80 on a recent test. What % of students recieved a score from 41-50?
20%
50%
24%
51%
10
Data distribution is described using 4 key concepts; center, shape, outliers, and ___. Which of following is the 4th?
positions
spread
supplements
peaks
