April 9 Bell Ringer

What is the mean absolute deviation of 13, 14, 17, 28, and 28?

• 6.4

• 8.6

• 4.6

• 6.3

Tags

CCSS.6.SP.B.5C

What is the Mean and Mean Absolute Deviation of 24, 13, 12, 1, and 0?

• Mean:10

  Mad:6.7

• Mean: 7.6

  MAD:10

• Mean:10

  MAD:7.6

• Mean-6.7

  MAD-7.6

Tags

CCSS.6.SP.B.5C

Find the MAD:
58, 38, 54, 48, 26, 36

• 43
• 20
• 10
• 12

Tags

CCSS.6.SP.B.5C

The questions on a multiple choice test each have 6 answer choices. Which model can be used to simulate randomly selecting the correct answer on a 20 question multiple choice test?

• rolling a six-sided number cube 6 times
• rolling a six-sided number cube 20 times
• spinning a spinner with 4 equal sized sections 4 times
• choosing 1 marble in a bag of 20 different colored marbles

Tags

CCSS.7.SP.C.8C

Which is the best way to represent answering 25 multiple-choice questions with 4 choices for each answer?

• spin a spinner with four sections 25 times
• roll a die 25 times
• flip a coin 25 times
• roll a die 4 times

Tags

CCSS.7.SP.C.8C

A certain brand of TV has a 50% chance of being defective. Which model could be used to determine the probability that when two TVs are chosen, they will both be defective?

• spin a spinner with 4 equal sections
• roll a die twice
• flip a coin twice
• flip a coin, then roll a die

Tags

CCSS.7.SP.C.8C

An ice cream parlor offers 15 different flavors of ice cream. Which model could be used to show how many different choices there are?

• spin a spinner with 5 sections
• flip a coin
• spin a spinner with 15 sections
• roll a die and flip a coin

Tags

CCSS.7.SP.C.8C

 A teacher wants to randomly choose 4 students to answer a series of questions. If there are 20 students in the classroom, describe a model that the teacher could use to simulate choosing these 4 students. 

• rolling a number cube 20 times
• spinning a spinner with 20 sections 4 times
• flipping a coin 20 times
• rolling a number cube and flipping a coin 20 times

Tags

CCSS.7.SP.C.8C

A class quiz has 5 multiple-choice questions and each question has 4 possible answers (A, B, C, or D). Which spinner would best simulate this scenario?

• 
• 
• 
• 

Tags

CCSS.7.SP.C.8C

Twelve students have an equally likely chance of being selected in a drawing at school. Eight are girls and four are boys. What is the probability that a boy will be selected?

• 1/4

• 1/3

• 1/8

• 3/4

Tags

CCSS.7.SP.C.7A