1) What type of relationship (trend) does the graph show? a) Negative b) Positive c) No trend d) no relationship 2) Estimate using the line of best fit the size of shoes for somebody with 11 inch feet. a) 10 b) 11 c) 12 d) 15 3) What type of correlation would the following be: number of cigarettes smoked and life expectancy. a) Positive b) Negative c) No 4) What is the population size of 21 countries not listed on the pie chart a) 16.6 % b) 12.8% c) 7.7% d) 29.7% 5) What is the independent variable of this experiment? a) Number of Bubbles ( 30 sec.) b) light Intensity level c) Water weeds plants d) photosynthesis 6) What is the dependent variable of this experiment? a) light Intensity level b) Cellular Respiration c) Number of Bubbles ( 30 sec.) d) Water weeds plants 7) Based on the data which statement best explain what the experimenter was trying to determine in this experiment. a) The effect of different color light on oxygen bubbles b) Which water weeds plants produced the most bubbles. c) The effect of different light intensity on the rate of photosynthesis of water weed plants d) The effect of light on the number of bubbles produced. 8) Which graphs shows the fastest increasing trend? a) Graph E b) Graph G c) Graph H d) Graph F 9) Which graph depicts the following trend: short increase, follow by steady plateau, then a sharp immediate decrease. a) Graph E b) Graph H c) Graph F d) Graph G 10) Which graph depicts the following trend: a slow increase, follow by sharp increase. a) Graph F b) Graph H c) Graph G d) Graph E

Data Analysis -SJC

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