Math Statistics and Probability

Math Statistics and Probability

7th Grade

20 Qs

quiz-placeholder

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Math Statistics and Probability

Math Statistics and Probability

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Anthony Clark

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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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