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{"ops":[{"insert":"1) use the data to:\n  (4.6  4.5  4.7  4.6  4.5  4.6  4.3  4.6  4.8  4.2 \n  4.6  4.5  4.7  4.5  4.5  4.6  4.6  4.6  4.8  4.6 )\n(a)\u00a0Arrange the data into equal classes \n(b)\u00a0Determine the frequency distribution \n(c)\u00a0Draw the frequency histogram \n(d)\u00a0Create a cumulative frequency table for the data \n(e)\u00a0Draw the cumulative frequency graph \n(g)\u00a0Calculate: i) the mean and standard deviation; ii)\u00a0the upper and lower quartile values; and iii) the interquartile range for the given data.\n2. use to the data to :\n  (Force (N)       0   20   40   60   80\n  Length (mm)   22   110   215   330   410) \n(a)\u00a0Draw a scatter graph for your given data. Describe what the scatter graph is indicating. \n(b)\u00a0Use the scatter graph to estimate the length for a force of 57N \n(c)\u00a0Calculate the line of regression of extension on force (Y on X) \n(d)\u00a0Calculate the regression coefficient \n(e)\u00a0Explain what the regression coefficient indicates? \n(f)\u00a0\u00a0Use the equation for the line of regression to predict the length for a force of 57N \n\n"}]}

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