please help with all parts. thank you! The population full-time equivalent number of students (FTES) at Lake Tahoe Community College for 2005-2006 through 2010-2011 was given in an updated report. The data are reported here. Year 2005-06 2006-07 2007-08 2008-09 2009-10 2010-11 Total FTES 1,585 1,690 1,735 1,935 2,021 1,890 Calculate the mean, median, standard deviation, the first quartile, the third quartile and the IQR. Round to one decimal place. mean 1809.3 median standard deviation first quartile third quartile IQR… Show more One hundred teachers attended a seminar on mathematical problem solving. The attitudes 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 follows. 3; 8; 1; 2; O; 5; 3; 1; 1; 6; 5; 2 What is the mean change score? (Round your answer to two decimal places.) What is the standard deviation for this sample? (Round your answer to two decimal places.) What is the median change score? (Round your answer to one decimal place.) Find the change score that is 2.2 standard deviations below the mean. (Round your answer to one decimal place.)… Show moreMathStatistics and Probability MATH 10

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