What percent of students preferred iced tea?

A study of 552 first-year college students asked about their preferences for online resources. One question asked them to pick their favorite. Here are the results in a pie chart. Pie Chart for the Online Resource Wikipedia 9% Libriary 14% Other Google 74% Select correct answer(s). This is a multiple-answer question. It may have more than one correct answers. i. The percentage in the pie chart shows the percent for each category of a qualitative or a categorical variable. ii. Google is the favorite for about three-quarters of the students. iii. More than 85% of the students are in favor of using either Google or library. iv. Less than 20% of the students are in favor of using either library or Wikipedia.

The histogram below gives the length of service of members of the Department of Chemistry at a particular university. The classes, in years of service, are 0-4.9, 5–9.9, etc., and the vertical axis represents the number of faculty. (a) What percent of the department faculty have 25 or more years of service? Answer: % (b) If a member of the department is chosen at random to serve on a university committee, what is the probability (in decimal form) that the chosen representitive will have between 25 and 40 years of service? Answer: (c) What is the probability the representative above will have less than 15 years of service given that the person has less than 20 years of service? Answer: Chenistry Faculty 12 11 10 9 8 6 5 4 3 2 1 10 15 20 25 30 35 40 Years of Service 7.

At a school several teachers were holding a contest to see which class could earn the most trivia points. Mrs.William's class scored 61 points. Mr. Adams class earned 48 points. Mrs. Brown's class earned 50 and Mrs.Daniel's class earned 50. Determine the mean, median, mode and range of the number of points scored.

If 200 subjects were studied and 120 of them expressed a preference for brand x, what percentage expressed a preference for brand x? Round to the nearest tenth percentage

The national profession exam for registered nurses, the NCLEX, has pass a rate of 85% for the first time exam takers. If 260 first time RN candidates were to take the exam, What is the mean for the number of people who pass?

Out of 147 faculty members at Bellevue University, 13 said they can speak Spanish. Construct and interpret a 95% interval for the proportion of all faculty members that can speak Spanish. Correctly round your results to the nearest tenth of a percent in your conclusion sentence.

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Find the mean, median, mode and midrange and then compare the means using 5% Number of hours spent on social media per week. Group A:     36,  13,  8,  19,  2,  21,  15,  7,   13,  10,  2,  15,  10                                                            Group B;      55,   12,   9,   2,   20,   11,   2,  9,  7,   8,  10,   2