Probability and Statistics Quiz

What is the probability of getting a tail when flipping a coin?

• 1/4

• 1/2

• 1/3

• 1/5

Tags

CCSS.7.SP.C.7A

Which of the following is a measure of central tendency?

• Experiment

• Probability

• Variance

• Mean

Tags

CCSS.6.SP.A.3

What does the variance measure in statistics?

• Total outcomes

• Middle value

• Spread around the mean

• Average value

What does the sample space of a dice throw represent?

• Sum of all faces

• Number of dice

• Probability of an event

• All possible outcomes

Which of the following is a graphical representation of data?

• Sample Space

• Mean

• Variance

• Histogram

What is the median of the data set [3, 5, 7, 9, 11]?

• 9

• 6

• 7

• 5

Tags

CCSS.6.SP.B.5C

A principal randomly chose 40 students from grade 5. Of these students, 9 were wearing watches. Based on this information, what is the most reasonable prediction of the number of students wearing watches in a group of 120 students from grade 5?

• 27
• 9
• 18
• 80

Tags

CCSS.7.RP.A.3

An unprepared student takes a 3-question true/false quiz in which he guesses the answers to all 3 questions. What is the probability he gets all 3 correct?

• 1/2

• 1/3

• 1/6

• 1/8

Tags

CCSS.HSS.CP.B.9

If I flip a coin 10 times how many times should I get tails?

• 1
• 10
• 3
• 5

Tags

CCSS.7.SP.C.6

At an assembly, 7 out of the first 10 students who entered the gym were carrying a backpack. Based on this information, if 700 students were at the assembly, how many students could be expected to be carrying a backpack?

• 140

• 400

• 350

• 490

Tags

CCSS.6.RP.A.3B