Help me with these 9 questions, please! Thank you so much
in 2003, a study at Bhnn L'ouege was conducted to determine whether a relationshlp ex1sts between a student who eats breakfast and his or her Biology grade. The study examined 1259 college students on a specic biology test. The accompanying tables show the relative frequency, by grade, of the 825 students who did eat breakfast and the 434 who did not eat breakfast on the morning of the test. Students who ate breakfast Students who did not eat breakfast Relative frequency Grade Relative frequency 0.18 A 0.10 0.38 B 0.19 0.17 C 0.22 0.14 D 0.17 0.14 F 0.32 Select the statements that are accurate regarding the given data sets. I] The data shows that skipping breakfast is not associated with earning lower grades. [I There is an increase in B's for those who do eat breakfast before the exam. [I The data show that skipping breakfast is associated with earning lower exam grades. I] Eating breakfast ensures that a student will pass an exam. I:| Students are less likely to fail tests if they do not eat breakfast. A distribution of the number of graduate students over the past 13 years in the math department is shown in the plot. 1 69 2 445 3 347 4 0269 5 6 7 3 8 9 What are the smallest number and the largest number of students over the past 13 years? The Centers for Disease Control and Prevention (CDC) Agricultural deaths Cumulative frequency collect data on workplace safety. In 2012, the CDC Machinery 26 reported deaths related to agricultural production in the Motor Vehicles 47 United States. The accompanying table shows the causes Drowning 65 of agricultural deaths in people under 20 years of age and Other 1 1 1 their reported cumulative frequency. Select the statements that accurately complete the following sentence. The cumulative frequency table shows that [I accidents involving drowning contributed to 18 agricultural deaths in people under 20 years of age in the United States in 2012. El accidents involving machinery contributed to 26 agricultural deaths in people under 20 years of age in the United States in 2012. El there were 111 agricultural deaths in people under 20 years of age that were due to accidents other than machinery, motor vehicles, or drowning in the United States in 2012. [I there were a total of 249 agricultural deaths in people under 20 years of age in the United States in 2012. [I together, machinery or motor vehicle accidents contributed to 47 agricultural deaths in people under 20 years of age in the United States in 2012. The following frequency polygon represents data from the Bureau of Labor Statistics (BLS) on unemployment by age group. Number of unemployed individuals by age in 2014 3500- 2970 3000 - 2500- Frequency (in thousands) 2000- 1788 1501 1500- 1410 1000- 1106 683 500- 159 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 Age in years Select the statements that the given frequency polygon data supports. The total number of unemployed individuals was 9,617,000. There were fewer unemployed individuals between the ages of 60 and 70 years old than between the ages of 40 and 50 years old. The number of unemployed individuals between the ages of 20 and 30 was 1,864,000. There were 1,788,000 unemployed 35-year-olds. Approximately 22% of the unemployed individuals were between 50 and 70 years old.The following dot plot shows data from the World Bank's 2012 report on access to electricity in 36 East Asian and Pacific countries. Each dot represents one country. . . . . . . . . . . . . . . . . . . . .. 0 10 20 30 40 50 60 70 80 90 100 Access to electricity (% of population) Select the statements that apply to the given dot plot. The populations of two countries have 99% access to electricity. The populations of nine countries have 59% access to electricity. There are more countries whose populations have less than 50% access to electricity than countries whose populations have 100% access to electricity. The populations of three countries have 96% access to electricity. The populations of five countries have less than 40% access to electricity.Carla's Cafe sells ve types of beverages. The pie chart displays the relative frequency of beverages sold on a particular month. Determine the combined percentage of beverages sold other than tea and coffee. Percentage of beverage other than tea and coffee = C] % A graph appeared on the Scholastic.com website to summarize the results of an online poll asking whether cell phones should be banned from schools. The total number of girls who have voted so far is 1840. Yes: 379 1,461 What percent of girls who voted in this poll think that cell phones should be banned from schools? Give your answer as a whole number. The Pareto chart below shows how Bert spends his time in a typical weekday. How many hours in a 24 hour day does Bert spend doing something other than sleeping or in leisure? Round your answer to the nearest two decimal places. Hours Sleeping Leisure Working Other Household Eating Education Volunteering Activities Number of hours Bert spend doing something other than sleeping or in leisure = C] hours
