Question

(b) Construct a frequency distribution showing the class limits for the four classes (c) Construct a bar-chart. 13/ The following gave the sample data on caffeine per ounce for 6 top-energy drinks 10, 10, 9, 11, 15, 8 a/Compute the mean b/Compute sample standard deviation. c/Find 5 number summary 14/Calculate the range, mean, median, first and third quartiles, mode for the following datasets: 47, 59, 50, 56, 56, 51, 52, 53 15/Find the mean, the range, 5 number summary and the standard deviation for the following set of sample data 10,9,12, 11, 8, 16 16/An urn contains three yellow, four green, and five blue balls. Two balls are randomly drawn without replacement. Find the probability of the following events: (a) Both balls are blue. (b) The first ball is green and the second yellow. (c) There is one green and one yellow ball. (d) Repeat the previous parts with replacement. 17/ls the magnitude of an earthquake related to the depth below the surface at which the quake occurs? Let x be the magnitude of an earth-quake (on the Richter scale), and let y the depth (in kilometers) of the quake below the surface at the epicenter. The following is based on information taken from the National Earthquake Information Service of the US Geological Survey 2.9 4.2 3.3 4.5 2.6 3.2 3.4 50 100 112 10.0 79 3.9 1 55 (a) Make a Scatter diagram and draw the line you think best first the data. (b) Would you say the correlation is positive or negative? Plot the least square line y 2.16x+ 0.22, make sure to include the point?F) and the y-intercept. (c)As x increases by 2, what will the predicted y be? 18/Consider the following sample data: 12 28 23 43 23 40 14 21 41 21 (a) Plot the scatter plot of the set of data

Answer 1