Required Inputs

• The mean of the sample from population $1$ ( $\overline{x}_1$ ); Place in cell B5.
• The mean of the sample from population $2$ ( $\overline{x}_2$ ); Place in cell C5.
• The (known) standard deviation of population $1$ ($\sigma_1$ ); Place in cell B6.
• The (known) standard deviation of population $2$ ($\sigma_2$ ); Place in cell C6.
• The sample size from population $1$ ($n_1$ ); Place in cell B7.
• The sample size from population $2$ ($n_2$ ); Place in cell C7.
• The $\alpha$ -level you want to use. Place in cell B10.