Use technology to perform two-sample t-test to determine whether there is a difference in the mint dates and in the values of the coins found on a street from 1985 through 1996 for the two mint locations. Use a=0.05 (A). Mint dates of coins(years) Philadelphia: x-bar 1=1984.8, s1=8.6 n1=7133. Denver: x-bar2=1983.4, s2=8.4, n2=4726. Assume population variances are equal. (B). Value of coins(dollars) Philadelphia: x-bar1=$0.034, s1=$0.054, n1=7133. Denver: x-bar2=$0.033, s2=$0.052, n2=4726. Assume population varances are not equal.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.