Math Statistics and Probability
Quiz
•
Mathematics
•
7th Grade
•
Hard
Anthony Clark
FREE Resource
Enhance your content in a minute
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
According to a random telephone survey, 85% of all working adults in the U.S. are satisfied with their current job. If I asked 500 adults, how many do you predict would be satisfied with their current job?
85 adults
340 adults
500 adults
425 adults
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Manny wants to know how many students at CTMS enjoy solving math problems. What is the best sampling method?
ask for 20 volunteers to discuss whether they enjoy solving math problems
ask the last 20 people to arrive at CTMS
Randomly ask 2 students in the hallway
Ask every 20th student that walks into school
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A recent survey of 800 seventh graders from across the state shows 4 out of 10 like to play paper football. How many students said they like to play paper football?
40 students
200 students
320 students
8,000 students
4.
MULTIPLE CHOICE QUESTION
1 min • 15 pts
What is the median of the following set of numbers: 3, 7, 9, 6, and 12?
6
7
9
5
5.
MATH RESPONSE QUESTION
1 min • 1 pt
What is the mean of the following set of numbers: 4, 8, 12, 16, 20?
Mathematical Equivalence
ON
6.
MULTIPLE CHOICE QUESTION
1 min • 15 pts
If a bag contains 3 red marbles, 2 blue marbles, and 5 green marbles, what is the probability of picking a blue marble?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a set of data has a symmetric distribution, the most appropriate measure of center and variation to use is...
median & interquartile range
mean & interquartile range
median & mean absolute deviation
mean & mean absolute deviation
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