We look at a random sample of 1000 United flights in the month of December comparing the actual arrival time to the scheduled arrival time. Computer output of the descriptive statistics for the difference in actual and expected arrival time of these 1000 flights are shown below. N Mean StDev SE Mean Min Q1 Median Q3 Max 1000 9.79 41.9 1.32 -51 -11 0 19 437 X= 9.79 S= 41.9 Use the summary statistics to compute a 95%confidence interval for the average difference in actual and scheduled arrival times on United flights in December. Round your answers to two decimal places. The 95%confidence interval is to

What is the interquartile range of the following numbers:  62,65,72,76,80,84,92,96

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thousandths kilometers on a trip. his trip? ers 20.041 kilometers C 7,241 kilometers D 720,041 kilometers . Which number shows 8.356 rounded to the nearest hundredth? A 8.34 B 8.35 C 8.36 D 8.40 Copyright 2013 by CTB/N: „Taw-Hill LLC and the Board of Education of the City School Distrit of the City of New York.