What is the shape of the dot plot? Why?
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Unit 6 Quiz 2 Recovery
Quiz
•
Mathematics
•
9th Grade
•
Hard
Jonathan Barron
Used 9+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Symmetric; lack of outliers
Skewed left; outliers on left
Skewed right; outliers on right
Answer explanation
Symmetric if left and middle look similar (doesn't have to be perfect)
----- ----- ----- -----
Skewed left if outliers on left and most data on right
----- ----- ----- -----
Skewed right if outliers on right and most data on left
2.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
What is the shape of the histogram? Why?
Skewed left; outliers on left
Skewed right; outliers on right
Symmetric; lack of outliers
Answer explanation
Symmetric if left and middle look similar (doesn't have to be perfect)
----- ----- ----- -----
Skewed left if outliers on left and most data on right
----- ----- ----- -----
Skewed right if outliers on right and most data on left
3.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
What is the shape of the histogram? Why?
Skewed right; outliers on right
Skewed left; outliers on left
Symmetric; lack of outliers
Answer explanation
Symmetric if left and middle look similar (doesn't have to be perfect)
----- ----- ----- -----
Skewed left if outliers on left and most data on right
----- ----- ----- -----
Skewed right if outliers on right and most data on left
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
10, 15, 20, 25, 3000
----- ----- -----
What is the best measure of center for the data?
Mean because data lacks outliers
Mean because data has outliers
Median because data has outliers
Median because data lacks outliers
Answer explanation
Step 1: decide shape of data
Step 2: use table
----- ----- ----- -----
If data is symmetric, then pick mean for center with correct reason
----- ----- ----- -----
If data is skewed, then pick median for center with correct reason
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
1, 4, 7, 7, 7, 10, 13
----- ----- -----
What is the best measure of center for the data?
Mean because data lacks outliers
Mean because data has outliers
Median because data has outliers
Median because data lacks outliers
Answer explanation
Step 1: decide shape of data
Step 2: use table
----- ----- ----- -----
If data is symmetric, then pick mean for center with correct reason
----- ----- ----- -----
If data is skewed, then pick median for center with correct reason
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
1, 4, 7, 7, 7, 10, 13
----- ----- -----
What is the best measure of spread for the data?
M.A.D. because data lacks outliers
M.A.D. because data has outliers
IQR because data has outliers
IQR because data lacks outliers
Answer explanation
Step 1: decide shape of data
Step 2: use table
----- ----- ----- -----
If data is symmetric, then pick m.a.d. for spread with correct reason
----- ----- ----- -----
If data is skewed, then pick IQR for spread with correct reason
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the best measure of center for the data?
Mean because data lacks outliers
Mean because data has outliers
Median because data has outliers
Median because data lacks outliers
Answer explanation
Step 1: decide shape of data
Step 2: use table
----- ----- ----- -----
If data is symmetric, then pick mean for center with correct reason
----- ----- ----- -----
If data is skewed, then pick median for center with correct reason
8.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the best measure of spread for the data?
M.A.D. because data lacks outliers
M.A.D. because data has outliers
IQR because data has outliers
IQR because data lacks outliers
Answer explanation
Step 1: decide shape of data
Step 2: use table
----- ----- ----- -----
If data is symmetric, then pick m.a.d. for spread with correct reason
----- ----- ----- -----
If data is skewed, then pick IQR for spread with correct reason
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