1.
The high school cafeteria has decided to add more options to the school menu. Randomly chosen students from each class were surveyed as to which of three options they would like to see in the cafeteria. The students' choices are shown below.
 Class MathBits Salad Bar Vending Machines Buffet Items Freshman 20 18 15 Sophomore 18 21 24 Junior 20 20 12 Senior 14 18 13
a) What percent of the students in the Sophomore Class chose the Vending Machines?
Choose:

 21% 24% 40%

b)
The total number of students wanting the Salad Bar is how many times as great as the total number of students wanting the Buffet Items?
Choose:

c)
Of the students surveyed, which class displayed the largest percentage in favor of the Vending Machines?
Choose:

 Freshman Sophomore Junior Senior

2.
Students in grades 7 and 8 were randomly surveyed to determine if they preferred "snowboarding" or "skateboarding".
"Boarding" Preference
 Students MathBits snowboarding skateboarding Total Grade 7 130 110 240 Grade 8 140 120 260 Total 270 230 500

Which statement is true regarding the data in this survey?
Choose:

 30% of grade 8 students prefer skateboarding. 38% of grade 7 students prefer snowboarding. 54% of the students prefer snowboarding. 42% of the students prefer skateboarding.

3.
Allison collected data to see if there was a relationship between students having blue eyes and the students wearing yellow on the day of the survey. She randomly surveyed 62 students and obtained the following data:
• 12 students had blue eyes
• 50 students did not have blue eyes
• 40 students were wearing yellow
• 22 students were not wearing yellow
 Survey Wearing Yellow Not Wearing Yellow Blue Eyes A B Not Blue Eyes C D       MathBits

Which of the following values for A, B, C and D (in that order) could be used to complete the table above regarding Allison's data?
Choose:
 12, 40, 22, 50 12, 10, 28, 22 10, 2, 30, 20 12, 2, 32, 18

4.
Students in grades 7 and 8 were randomly surveyed to determine if they received "8 hours or more" or "less than 8 hours" of sleep.
Hours of Sleep
 Students 8 hours or more less than 8 hours Grade 7 58 73 Grade 8 48 82      MathBits

Based on the results of this survey, which of the following statements are true?
(Check all that apply, and hit SUBMIT!)

 A total of 130 grade 8 students were surveyed. More grade 8 students were surveyed than grade 7 students. More than 50% of the grade 8 students surveyed slept 8 hours or more. Less than 50% of the grade 7 students surveyed slept 8 hours or more. More than 50% of the students surveyed slept 8 hours or more. A total of 106 grade 7 students were surveyed. A total of 261 students were surveyed.

5.
The Student Council is planning a spring dance with the theme being either "Under the Sea" or "Star Wars". All of the council members were surveyed to determine the choice. The results are displayed in the table below.
"Dance Theme" Preference
 Students MathBits Under the Sea Star Wars Total Grade 7 40 30 70 Grade 8 60 20 80 Total 100 50 150

Which statement is true regarding the data in this survey?
Choose:

 40% of the students prefer " Star Wars". 30% of the students prefer "Under the Sea". 32% of grade 7 students prefer "Star Wars". 75% of grade 8 students prefer "Under the Sea".