Cpm 3 Statistics

Quiz
•
Mathematics
•
7th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Sylvia believes that the students in Term 2 had a higher average number of minutes of exercise than Term 1 because the IQR and Standard Deviation is higher for that group of students. Do you agree?
Sylvia is correct. Since the standard deviation and IQR for Term 2 students is higher, this means that students spent more time exercising, on average, than Term 1.
Sylvia is incorrect. The standard deviation and the IQR shows that there is greater variability in the amount of time exercising for Term 2 students compared to Term 1, but it does not tell us that the group spent more time exercising than Term 1.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does this symbol represent?
Standard Deviation
Variance
Mean Absolute Deviation
Sigma
3.
MULTIPLE SELECT QUESTION
1 min • 5 pts
Which of the following is a measure of spread, or variability?
(select all that apply)
Interquartile Range
Standard Deviation
Mean
Median
Range
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the Mean of the data set
82
86
88
92
5.
DRAG AND DROP QUESTION
1 min • 1 pt
Use the dataset to calculate the following summary statistics in the questions below. Report each with one decimal place.
14.0
14.5
13.8
14.01
left
right
centered
6.
DRAG AND DROP QUESTION
1 min • 1 pt
Use the dataset to calculate the following summary statistics in the questions below. Report each with one decimal place.
1 , 17, 12, 20, 27, 23, 8, 5
The mean is (a)
The median is (b)
The skew is (c)
14.0
14.5
13.8
14.01
left
right
centered
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
All of the below sets have the same mean.
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?
1
2
3
4
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