A grouped frequency table of red cards issued per country: calculate the estimated mean, draw an ogive, and calculate the interquartile range. The second question gives monthly rent against monthly income over six years — determine the regression line, estimate income for a rent of R9 000, calculate the correlation coefficient, and describe the relationship.
grouped dataestimated meanogiveinterquartile rangeregression linecorrelation coefficientinterpretation
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