Statistics Median vs Mean and Interquartile Range vs Standard Deviation

Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
Barbara White
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a population of five university students with GPAs of 2.5, 2.3, 1.7, 1.4, and 1.1, a sample of three students are considered. What would be the standard deviation of the resulting sampling distribution?
0.53
0.41
0.35
0.22
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
{5, 8, 6, 5, 4, 9, 8, 7, 6, 3, 8, 7, 5, 6, 7, 8}
What is the interquartile range of the data?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the range of the data.
63, 71, 65, 66, 87, 53
32
33
34
35
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
What are the correct expressions for using the IQR to determine if there is an outlier that is a lot less and a lot greater than the other values. Hint: Choose 2 expressions.
Q1 - 1.5(IQR)
Q3 - 1.5(IQR)
Q1 + 1.5(IQR)
Q3 + 1.5(IQR)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Use the interquartile range to identify any outliers in the following data.
23, 22, 25, 16, 27, 43, 29, 40, 35
No outliers.
43 is an outlier.
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