Unit 8: Lessons 3 & 4

​Unit 8
Lessons 3 & 4

​Review from yesterday that I want to make sure you totally understand...

Multiple Choice

The shape of the graph when all possible values are plotted on a frequency graph (SHOWING... S H O W I N G... how often they occur).

• frequency

• distribution

Multiple Choice

The ___________ of a data value is how many times it occurs in the data set.

• frequency

• distribution

• dot plot

• statistical questions

Multiple Choice

Did Priya collect CATEGORICAL or NUMERICAL data?

• categorical

• numerical

Multiple Choice

Did Kiran collect categorical or numerical data?

• categorical

• numerical

Multiple Choice

Could a dot plot be used to represent Kiran's data?

• Yes

• No

Open Ended

Noah gathered information on the home states of the swimmers on Team USA. He organized the data in a table. Would a dot plot be appropriate to display his data? Explain your reasoning.

1 1/2 minutes

Multiple Choice

How many students are in the class?

• 10

• 16

• 32

• 36

Multiple Choice

Agree or disagree:

The class is an adult swimming class.

• Agree

• Disagree

Multiple Choice

Agree or Disagree

Half of the students are between 2 and 3 years old

• Agree

• Disagree

Multiple Choice

How many students were in the class?

• 16

• 17

• 18

• 19

• 21

Multiple Select

Here are descriptions of data sets.

Select all descriptions of data sets that could be graphed as dot plots.

• A

• B

• C

• D

• E

Multiple Choice

1. What percentage of the students reported spending 4 or fewer hours on homework each week?

• 24%

• 52%

• 68%

• 72%

• 85%

Multiple Choice

How many students responded to the questions?

• 10

• 15

• 20

• 6

Multiple Choice

1. What percentage of the students have more than one child in the family?

• 10%

• 40%

• 60%

• 75%

• 80%

​Talk to your partner when given time. You will answer on the next slide so jot your answers down on a whiteboard.

​

Multiple Choice

• Students in sixth grade tend to spend less time on homework than students in eighth and tenth grades.

• The homework times for the tenth-grade students are more alike than the homework times for the eighth-grade students.

Match the dot plots to the grade!

• 6th gr = 2

  8th gr = 1

  10th gr = 3

• 6th gr = 1

  8th gr = 2

  10th gr = 3

• 6th gr = 3

  8th gr = 2

  10th gr = 1

• 6th gr = 3

  8th gr = 1

  10th gr = 2