A sample of reaction times (in seconds) is recorded for a group of five individuals under two different conditions: with caffeine and without caffeine. Find the coefficient of variation for each of the two samples. With Caffeine Without Caffeine 0.42 0.55 0.38 0.62 0.50 0.48 0.46 0.60 0.41 0.58 A. The coefficient of variation for the reaction times with caffeine is? B. The coefficient of variation for the reaction times without caffeine is?

Listed below are the recorded battery life durations (in hours) of 14 different laptop models tested under similar conditions. Find the range, variance, and standard deviation for the given sample data. Include appropriate units in your results. (Be sure to use the correct formula between Sample and Population for parts b and c.) Battery Life (hours):6.5, 7.2, 5.8, 8.1, 3.0, 4.5, 5.2, 6.0, 7.8, 8.5, 6.3, 4.8, 3.0, 3.0, 3.0 A. RangeB. VarianceC. Standard Deviation

Identify the A. lower class​ limits B. upper class​ limits C. class​ width D. class​ midpoints E. class boundaries for the given frequency distribution.   Age when Award Was Won–Frequency 25-37——————————– 7 38-50——————————– 12 51-63——————————— 6 64-76——————————— 9 77-89——————————– 15  

Click on the dicot root.

microscope image leaf.jpgThis is a microscopic view of a thin cross section of a leaf. Class?

Picture11.jpgThis is a peach pit. What is the botanical name for the visible structure here?

microsope image 2.pngThis is the center of a dicot root. The large red cells in the center are what tissue type?

ivy root.jpgThis ivy has these ragged looking growths coming out of the stem above the ground. In general, what are these called?

What did American workers often seek through strikes in the late 19th century?

What was a significant outcome of the Great Railroad Strike of 1877?