Variability — Unit test Answers

Compute the standard deviation for the set of data. 13.3, 14.3, 15.3, 16.3, 17.3 a. c. b. 2 d. 4 Please select the best answer from the choices provided

Brand Y Cola sponsors a survey of 15,559 residents of Texas to determine which brand of cola they prefer. Forty percent say they prefer Brand X, and 60 percent say they prefer Brand Y. Which of the following is the sample used for the survey ?

Make a circle graph for each set of data. Submarines U.S. 73 China 69 Russia 56 N. Korea 26 S. Korea 19 India 16 Source: Scholastic Kid’s Almanac a. c. b. d. Please select the best answer from the choices provided

The scatter plot shows the study time and test scores for the students in Mrs. Johnson’s English Literature class. Based on the results, which of the following is an appropriate score for a student who studies for 1 hour?

Which best represents the center of the data set below? Average Monthly Grocery Bill