Measures of Center and Variability Used When Comparing Data

Quiz
•
Mathematics
•
7th Grade
•
Hard
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The data set below has an outlier of 42.
2, 5, 12, 15, 19, 4, 6, 11, 16, 18, 12, 12, 42
What effect does removing the outlier have on the distribution of the data?
The mean will decrease
The median will decrease
The mean will increase
The median will increase
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the mode:
5, 0, 9, 9, 3, 0, 5, 5, 4
9
5
3
7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the median:
5, 6, 3, 9, 0, 4, 1, 2, 7
4
4.1
5
4.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which measure of center best represents this set of data?
12, 13, 11, 16, 31, 14, 10, 15
Mean
median
mode
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What conclusion can Ms. Long make about the performance of her first- and second-period classes?
The first-period class had a higher median score than the second-period class.
The second-period class scores had a higher mean than the first-period class scores.
The first-period class scores had a greater range than the second-period class scores.
The second-period class scores had a greater mean absolute deviation than the first-period class scores.
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which measure of center and variability should you use to to compare these data sets? Choose one of each.
Mean
Median
Standard Deviation
IQR
7.
DROPDOWN QUESTION
1 min • 1 pt
The best description of the data is (a) . The most appropriate measure of center is the (b) . The most appropriate measure of variability is the (c) .
range
mean
IQR
median
skewed right
symmetric
symmetric with an outlier
skewed left
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