The statistic b0 is used to estimate the y-intercept, which is Beta0
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A point estimate is a single value (statistic) used to estimate a population value (parameter)true apex
point estimate
You can estimate a population's size when counting individuals if the density in a sample is greater than the population density.
Correlation and regression analysis can help business to investigate the determinants of key variables such as their sales. Variations in a companies sales are likely to be related to variation in product prices,consumers,incomes,tastes and preference's multiple regression analysis can be used to investigate the nature of this relationship and correlation analysis can be used to test the goodness of fit. Regression can also be used to estimate the trend in a time series to make forecast
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