Comparing Data and Variability

Quiz
•
Mathematics
•
7th Grade
•
Hard
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
1 min • 10 pts
The ages of the starting players of two soccer teams are shown below. Knights: 16, 18, 15, 14, 17, 17, 18, 16, 17, 14, 17 Trojans: 18, 14, 17, 15, 15, 14, 16, 18, 16, 18, 16 Based on this data, select all the true statements below.
The median of ages on the Knights team is greater than the median of ages on the Trojans team.
The mean of the ages on the Knights team is greater than the median of the ages on the Trojans team.
The median of ages on the Knights team is one greater than the range of ages on the Trojans team.
The mean of the ages on the Knights team is less than the mean of the ages on the Trojans team.
The mean of the ages on the Knights team is greater than the mean of the ages on the Trojans team.
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Given the following distributions, which has the smallest IQR?
Red
Purple
Black
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Given the following distributions, which has the highest median?
Red
Purple
Black
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Given the following distributions, which is symmetric?
Red
Purple
Black
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Given a set of skewed data, which is an appropriate measure of spread?
Mean
Median
Standard Deviation
Interquartile Range (IQR)
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Gabriella’s quiz grades are shown below.
88, 92, 92, 96, 98
Gabriella scored a 20 on her sixth quiz. What effect does this score have?
The low score causes the median to increase.
The low score causes the median to decrease.
The low score causes the mean to increase.
The low score causes the mean to decrease.
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
The prices at several different stores for a pair of shoes are shown below.
$78, $79, $81, $82, $83
Two days later, another store has the same shoes on sale for $65. How does the new price affect the data?
Only the range was affected.
The median increased, and the range increased.
The mean increased, and the range increased.
The mean decreased and the range increased.
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