The following data represents the number of students enrolled in a local high school. Grade Frequency 9th 130 10th 112 11th 123 12th 105 Determine the relative frequency for 10th graders. Leave your answer as a number between 0 and 1. Round to 3 decimal places. Add your answer Integer, decimal, or E notation allowed In the last five years, several employees of an electronics company retired. The results are shown below. Calculate the class width from this frequency table. Add your answer Integer, decimal, or E notation allowed Age (years) 50-53 Frequency 2 54-57 3 58-61 1 62-65 66-69 70-73 431 The following data are the annual tuition amounts of the most expensive colleges in Maryland for a recent year. 60,502 53,600 57,880 51,510 45,830 46,800 47,458 43,650 What is the median annual tuition amount among these colleges? Add your answer Integer, decimal, or E notation allowed 30,460 40,822 The histogram below summarizes the results of a survey that asked the respondents the number of countries they visited for business or pleasure in the last five years. Frequency 6 5 2 1 0 1 2 3 5 6 Number of countries Using the histogram, find the mean number of countries visited by the people in the survey. A 2.95 B 5 D 1.72 6.32 -00 8 The highway speeds of 100 cars are summarized in the frequency distribution below. Find the mean speed. Give the answer in decimal form. Round the answer to two decimal places if needed. Add your answer Integer, decimal, or E notation allowed Speed (mph) | Cars 30-39 5 40-49 18 50-59 50 60-69 17 70-79 10 A recent study found that he number of pounds of sugar consumed per person per year has a mean of 8 pounds and a standard deviation of 1.6 pounds. Tim consumed 10.8 pounds of sugar last year. The z-score for the amount of sugar consumed by Tim =Blank 1 Write the answer in decimal form. Is this amount usual? Blank 2 Type yes or no. Blank 1 Add your answer Blank 2 Add your answer Consider the following ordered set of data 44 49 50 51 66 66 What is the interquartile range (IQR)? Add your answer Integer, decimal, or E notation allowed 53 53 57 58 62. 88 68 71 75 77 50 80 85 The box plots below show the number of cats and dogs adopted daily at a local animal shelter last year. What percentage of daily dog adoptions are greater than the 3rd quartile of daily cat adoptions? Number Adopted Daily Cats Dogs- Add your answer Integer, decimal, or E notation allowed 2 4 +6 8