Data

Pennies dated before 1981

#1: 1963

#2: 1979

#3: 1973

#4: 1976

Mass (g)

#1: 3.089

#2: 3.077

#3: 3.063

#4: 3.086

----------------------------

Pennies dated after 1983

#1: 1983

#2: 1997

#3: 2001

#4: 2000

Mass (g)

#1: 2.500

#2: 2.505

#3: 2.480

#4: 2.518

Calculation/Discussion 1. Perform Grubb test for one data point on a data set at 95% confidence level to check if there is an outlier. (Do just one point as an example. This step is always the first step in any data analysis before mean and standard deviation are calculated. Use Excel to calculate mean and standard deviation from each data set. Express data as mean standard deviation in correct sig fig. Data set 1: Date set 2: Perform paired t-test and draw conclusion on these two data sets at 95% confidence level. Show your calculation on teal and show table value to receive points