Algebra 1: Two-Way Tables:Assignment
A summer camp has 32 campers. A total of 22 of them swim, 20 play softball, and 5 do not swim or play softball. Which values complete the table?
a = 15, b = 7, c = 5, d = 10, e = 12
A group of 65 baseball players were surveyed about which hand they favor for batting. The data from the survey are shown in the Venn diagram. Determine the value for each variable in the two-way table.
a = 7 b = 31 c = 28 d = 13 e = 65
//Residents of three counties were polled to find the percentage of residents who are Republican or Democrat.Find the following relative frequencies to the nearest tenth of a percent.//
-10.1 -16.5 -58.9 -41.1
//The following two-way table represents data from a survey asking students whether they have visited Alaska, Hawaii, or both.What is the relative frequency for students who have been to Alaska?//
-14/50 -15/50 -21/50
//A group of 100 students were asked if they study French or Spanish in school. The results are shown in this two-way table.Which statements are correct? Check all that apply.//
-5 students study both French and Spanish. -2 students study neither French nor Spanish. -30 students study French, but not Spanish.
//Students in 7th and 8th grade were asked the types of movies they prefer. The results of the survey are shown in the two-way table.Which statements are correct? Check all that apply.//
-The marginal relative frequency for action movies is 44%. -The joint relative frequency for 8th graders who like comedy movies is 16%. -Half of the 7th graders prefer action movies.
//A survey was conducted with high school students in each grade to see how many participate in sports. The data are shown below.Which statement is true about the marginal frequencies in this table?//
191 students play sports and ninety-seven 10th graders were surveyed.
//A survey was conducted with high school students in each grade to see how many prefer math or science. Some of the data are shown below.Which statement is true about the joint frequencies in this table?//
Fourteen 11th graders prefer math and eight 10th graders prefer science.
//Students from School A and School B were asked whether they watch TV or use the Internet after finishing their homework. The Venn diagram and the two-way table show the results from the two surveys. Which statement is true?//
More students do neither activity at B than at A.
