9.4.2013Unit 1 Review

Do Now

How are you going to prepare for the test tomorrow? What are good study strategies?

ObjectiveI can describe data and interpret two-way tables.

Agenda Do Now – Study Strategies (10) independentReview Game (40) classExit Ticket (5) independent

Inferno Rules: Everyone on your team has to have

the right answer.If your team gets two correct in a

row, you get to shoot for points

Find the three measures of center for the data set.

{12, 13, 13, 15, 16, 17, 18, 19, 22}

Find the five-number summary for the data set.

{23, 19, 24, 18, 34, 28}

Make a box plot for this data.

Name the outlier(s).

What is the bin width?

What is the interval of the blue bin?

What is the frequency of test scores between 40 and 80?

What was the highest test score?

Which color bin is 50 in?

Which color is 20 in?

What is the median of 2000?What is the range of 2010?

Which must be true:a) 2010 has a greater range than 2000.b) 2010 has a median of 20.c) 2000 has larger mean than 2010.d) 2010 has an interquartile range of 9.

What is the missing joint frequency?

Favorite Music Genres of 9th GradersGender Rap Hip Hop Rock Total

Boys 5 2 15

Girls 7 7 1

Total 15 12 3 30

What is the missing marginal frequency?

Favorite Music Genres of 9th GradersGender Rap Hip Hop Rock Total

Boys 8 5 15

Girls 7 7 1 15

Total 15 3 30

What is the joint frequency of boys who like hip hop? Favorite Music Genres of 9th

GradersGender Rap Hip Hop Rock Total

Boys 8 5 2 15

Girls 7 7 1 15

Total 15 15 3 30

What is the relative frequency of boys who like hip hop??

Favorite Music Genres of 9th GradersGender Rap Hip Hop Rock Total

Boys 8 5 2 15

Girls 7 7 1 15

Total 15 15 3 30

What is the relative frequency of students who like hip? hop?

Favorite Music Genres of 9th GradersGender Rap Hip Hop Rock Total

Boys 8 5 2 15

Girls 7 7 1 15

Total 15 15 3 30

What is a relative frequency??

Grade In a Club NOT in a Club Total9th A B C

10th D E F11th G H I

Total J K LMs. Morey wanted to know how many DCIS students participated in clubs. She surveyed a total of 20 9th graders. Where would this information be put in the two-way table? Write the letter that corresponds to the space.

Grade In a Club NOT in a Club Total9th A B 20

10th D E F11th G H I

Total J K LShe surveyed a total of 25 10th graders. Where would this information be put in the two-way table? Write the letter that corresponds to the space.

School Club ParticipantsGrade In a Club NOT in a Club Total

9th A B 2010th D E 2511th G H I

Total J K LIn total, she surveyed 50 students. Where would this information be put in the two-way table? Write the letter that corresponds to the space.

School Club ParticipantsGrade In a Club NOT in a Club Total

9th A B 2010th D E 2511th G H I

Total J K 50

How many 11th graders were surveyed?

School Club ParticipantsGrade In a Club NOT in a Club Total

9th A B 2010th D E 2511th G H 5

Total J K 50

Which letter corresponds to the place where the number of 11th graders who are not in a club would be entered?