Test 1 (Statistics) Study Guide
Authored by EVONNIE JONES
Mathematics
8th - 10th Grade
CCSS covered
Used 65+ times
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23 questions
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1.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Find the mean of the second grade heights. Round to the nearest tenth.
Answer explanation
Remember to add all the numbers and divide by the number of items you added. This is the average.
Tags
CCSS.6.SP.B.5C
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the mode of the second grade heights.
45
49
51
53
54
Answer explanation
The number that repeats the most
Tags
CCSS.6.SP.B.4
CCSS.HSS.ID.A.1
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What is the range of the data set 75, 87, 49, 68, 75, 84, 98
Answer explanation
Highest number minus lowest number.
Tags
CCSS.6.SP.B.4
CCSS.HSS.ID.A.1
4.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
What is the median of the data set 55, 47, 38, 66, 56, 64, 44, 63, 39?
Answer explanation
Put numbers in order from least to greatest and find the number in the middle.
Tags
CCSS.6.SP.B.5C
5.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
What is the mean of the data set 18, 24, 17, 21, 24, 16, 29, 18? Round to the nearest tenth.
Tags
CCSS.6.SP.B.5C
6.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
What is the IQR of the data set 12, 24, 17, 21, 24, 16, 29, 18?
Answer explanation
1. Put numbers in order from least to greatest.
2. Find the middle number.
3. Find the median of the lower group of numbers (lower quartile).
4. Find the the median of the upper group of numbers (upper quartile).
5. Upper quartile minus lower quartile.
Tags
CCSS.6.SP.B.5C
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
The values (in thousands of dollars) of homes sold by a
realtor are shown in the dot plot. How many homes sold for more than $250,000?
Answer explanation
Count the number of X's above numbers greater than $250,000.
Tags
CCSS.6.SP.B.4
CCSS.HSS.ID.A.1
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