Weekly commute time (h) 4.5 4.0 4.6 3.0 2.6 4.4 5.8 3.9 4.5 4.4 4.7 2.9 5.7 3.7 4.4 Find the mean and sample standard deviation of these data. Round to the nearest hundredth. mean sample standard deviation

From a Gallup​ Poll: Among 990   survey​ subjects, 5.6 ​% have an alcoholic drink every day. x​ = nothing   ​(round off to a whole​ number)

What percentage change in the total and Hispanic populations occurred in each state between 2000 and 2010?

To help consumers in purchasing a laptop computer, Consumer Reports calculates an overall test score for each computer tested based upon rating factors such as ergonomics, portability, performance, display, and battery life. Higher overall scores indicate better test results. The following data show the average retail price and the overall score for ten 13-inch models.† Brand & Model Price ($) OverallScore Samsung Ultrabook NP900X3C-A01US 1,250 83 Apple MacBook Air MC965LL/A 1,300 83 Apple MacBook Air MD231LL/A 1,200 82 HP ENVY 13-2050nr Spectre XT 950 79 Sony VAIO SVS13112FXB 800 77 Acer Aspire S5-391-9880 Ultrabook 1,200 74 Apple MacBook Pro MD101LL/A 1,200 74 Apple MacBook Pro MD313LL/A 1,000 73 Dell Inspiron I13Z-6591SLV 700 67 Samsung NP535U3C-A01US 600 63 (a) Develop a scatter diagram with price as the independent variable.

There are 150 flights expected to take off or land within one day at the planned Pickering airport. If 92% of the flights are expected to be on time, how many flights are unlikely to be on time?

The dataset below represents the population density per square mile of land area in 15 states in the 2010 U.S. Census. What is the interquartile range? 1,19,35,43,49,55,63,94,105,110,175,231,239,351,738