A sample of 100 clients of an exercise facility was selected. Let X - the number of days per week that a randomly selected client uses the exercise facility X Frequency 0 3 1 15 2 32 3 29 4 11 5 7 6 3 Find the number that is 1.5 standard deviations BELOW the mean (Round your answer to three decimal places.) One hundred teachers attended a seminar on mathematical problem solving. The atitudes of representative sample of 12 of the teachers were measured before and after the seminar A positive number for change in attitude indicates that a teacher's attitude toward math became more positive. The twelve change scores are as follow 4:7; 1; 1; 0; 4-2::-1:5; 4;-) O Part What is the mean change score? (Round your inter to two decimale) Part What is the standard deviation for this tampa Cound your www to decimal placut) Partia What is the median change round your answer to cre decat place) e Part Find the change or that is 22 andard deviation how the mean Round your monede The most obese countries in the world have obesity rates that range from 11.4% to 74,6% This data is summarized in the table below. Number of Countries Percent of Population Obese 11.420.45 32 20.45-29.45 11 29.45-38.45 3 301.45-47.45 0 47.45-56.45 1 56 45-65.45 2 65.45-74.45 1 74.45-13.45 1 What is the best estimate of the average obesity perceritage for these countries (Round your answer to two decimal places What is the standard deviation for the 1sted obesity rates> (Round your answer to two decimal places.) The United States has an average obesity rate of 33,9. Is this rate above average or below (Round your answer to two decimal places) The obesity rate of the United States is than the average obesity rate How unusual is the United States obesity rate compared to the average rate? Explain The United States obesity rate is have an unusually than one standard deviation from the mean. Therefore, we can assume that the United States, while 34 % obese percentage of obese people